Plastics - Methods for determining the density of non-cellular plastics - Part 1: Immersion method, liquid pycnometer method and titration method (ISO 1183-1:2019, Corrected version 2019-05)

This document specifies three methods for the determination of the density of non-cellular plastics in
the form of void-free moulded or extruded objects, as well as powders, flakes and granules.
— Method A: Immersion method, for solid plastics (except for powders) in void-free form.
— Method B: Liquid pycnometer method, for particles, powders, flakes, granules or small pieces of
finished parts.
— Method C: Titration method, for plastics in any void-free form.
NOTE Density is frequently used to follow variations in physical structure or composition of plastic
materials. Density can also be useful in assessing the uniformity of samples or specimens. Often, the density of
plastic materials depend upon the choice of specimen preparation method. When this is the case, precise details
of the specimen preparation method are intended to be included in the appropriate material specification. This
note is applicable to all three methods.

Kunststoffe - Verfahren zur Bestimmung der Dichte von nicht verschäumten Kunststoffen - Teil 1: Eintauchverfahren, Verfahren mit Flüssigkeitspyknometer und Titrationsverfahren (ISO 1183-1:2019, korrigierte Fassung 2019-05)

Dieses Dokument legt drei Verfahren zur Bestimmung der Dichte von nicht verschäumten Kunststoffen fest, die in Form von blasenfreien geformten oder extrudierten Gegenständen, aber auch als Pulver, Flocken und Granulat vorliegen.
   Verfahren A: Eintauchverfahren, für blasenfreie feste Kunststoffe (ausgenommen Pulver).
   Verfahren B: Verfahren mit Flüssigkeitspyknometer, für Teilchen, Pulver, Flocken, Granulat oder zerkleinerte Fertigteile.
   Verfahren C: Titrationsverfahren, für Kunststoffe in jeder blasenfreien Form.
ANMERKUNG   Die Dichte wird häufig verwendet, um die Veränderungen in der physikalischen Struktur oder Zusammensetzungen von Kunststoffmaterialien zu verfolgen. Die Dichte kann auch bei der Beurteilung der Einheitlichkeit von Proben oder Probekörpern von Nutzen sein. Häufig hängt die Dichte von Kunststoffen von der Wahl des Verfahrens zur Herstellung der Probekörper ab. Ist dies der Fall, sollen genaue Einzelheiten zum Herstellungsverfahren der Probekörper in die entsprechende Werkstoffspezifikation aufgenommen werden. Diese Anmerkung gilt für alle drei Verfahren.

Plastiques - Méthodes de détermination de la masse volumique des plastiques non alvéolaires - Partie 1: Méthode par immersion, méthode du pycnomètre en milieu liquide et méthode par titrage (ISO 1183-1:2019, Version corrigée 2019-05)

Le présent document spécifie trois méthodes de détermination de la masse volumique des plastiques non alvéolaires sous forme d'objets moulés ou extrudés exempts de cavités fermées, ainsi que de poudres, de paillettes ou de grains.
— Méthode A: méthode par immersion, pour les plastiques solides exempts de cavités fermées (excepté les poudres).
— Méthode B: méthode du pycnomètre en milieu liquide, pour les particules telles que les poudres, les paillettes, les grains ou les parties finies réduites en petits morceaux.
— Méthode C: méthode par titrage, pour les plastiques exempts de cavités fermées.
NOTE La masse volumique est fréquemment utilisée pour suivre les variations de la structure physique ou de la composition des matériaux plastiques. La masse volumique peut également se révéler utile pour évaluer l'uniformité des échantillons ou des éprouvettes. La masse volumique des matériaux plastiques dépend souvent du choix de la méthode de préparation de l'échantillon. Lorsque cela est applicable, des détails précis de la méthode de préparation de l'échantillon doivent être donnés dans les spécifications appropriées relatives à la matière. Cette note s'applique à chacune des trois méthodes.

Polimerni materiali - Metode za določanje gostote nepenjenih polimernih materialov - 1. del: Metoda s potapljanjem, metoda s tekočinskim piknometrom in titracijska metoda (ISO 1183-1:2019, popravljena različica 2019-05)

Ta dokument določa tri metode za določanje gostote nepenjenih polimernih materialov v obliki oblikovanih ali ekstrudiranih predmetov brez praznine, praškov, lusk in granul.
– Metoda A: metoda s potapljanjem za trdne polimerne materiale (razen praškov) brez praznine.
– Metoda B: metoda s tekočinskim piknometrom za delce, praške, luske, granule ali majhne delce
zaključenih delov.
– Metoda C: titracijska metoda za katero koli vrsto polimernih materialov brez praznine.
OPOMBA: Gostota se pogosto uporablja za spremljanje odstopanj v fizični strukturi ali sestavi plastičnih
materialov. Gostota je lahko uporabna tudi pri ocenjevanju enakomernosti vzorcev ali primerkov. Pogosto je gostota plastičnih materialov odvisna od izbire metode priprave primerka. V tem primeru je treba v specifikacijo ustreznega materiala vključiti natančne podrobnosti o metodi priprave primerkov. Ta opomba velja za vse tri metode.

General Information

Status
Published
Public Enquiry End Date
17-Jun-2018
Publication Date
14-Apr-2019
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
11-Apr-2019
Due Date
16-Jun-2019
Completion Date
15-Apr-2019

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SLOVENSKI STANDARD
SIST EN ISO 1183-1:2019
01-junij-2019
Nadomešča:
SIST EN ISO 1183-1:2013
Polimerni materiali - Metode za določanje gostote nepenjenih polimernih
materialov - 1. del: Metoda s potapljanjem, metoda s tekočinskim piknometrom in
titracijska metoda (ISO 1183-1:2019, popravljena različica 2019-05)

Plastics - Methods for determining the density of non-cellular plastics - Part 1: Immersion

method, liquid pycnometer method and titration method (ISO 1183-1:2019, Corrected

version 2019-05)

Kunststoffe - Verfahren zur Bestimmung der Dichte von nicht verschäumten Kunststoffen

- Teil 1: Eintauchverfahren, Verfahren mit Flüssigkeitspyknometer und
Titrationsverfahren (ISO 1183-1:2019, korrigierte Fassung 2019-05)
Plastiques - Méthodes de détermination de la masse volumique des plastiques non

alvéolaires - Partie 1: Méthode par immersion, méthode du pycnomètre en milieu liquide

et méthode par titrage (ISO 1183-1:2019, Version corrigée 2019-05)
Ta slovenski standard je istoveten z: EN ISO 1183-1:2019
ICS:
83.080.01 Polimerni materiali na Plastics in general
splošno
SIST EN ISO 1183-1:2019 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN ISO 1183-1:2019
---------------------- Page: 2 ----------------------
SIST EN ISO 1183-1:2019
EN ISO 1183-1
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2019
EUROPÄISCHE NORM
ICS 83.080.01 Supersedes EN ISO 1183-1:2012
English Version
Plastics - Methods for determining the density of non-
cellular plastics - Part 1: Immersion method, liquid
pycnometer method and titration method (ISO 1183-
1:2019, Corrected version 2019-05)

Plastiques - Méthodes de détermination de la masse Kunststoffe - Verfahren zur Bestimmung der Dichte

volumique des plastiques non alvéolaires - Partie 1: von nicht verschäumten Kunststoffen - Teil 1:

Méthode par immersion, méthode du pycnomètre en Eintauchverfahren, Verfahren mit

milieu liquide et méthode par titrage (ISO 1183- Flüssigkeitspyknometer und Titrationsverfahren (ISO

1:2019) 1183-1:2019)
This European Standard was approved by CEN on 7 March 2019.

This European Standard was corrected and reissued by the CEN-CENELEC Management Centre on 24 July 2019.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATIO N
EUROPÄISCHES KOMITEE FÜR NORMUN G
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 1183-1:2019 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN ISO 1183-1:2019
EN ISO 1183-1:2019 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

---------------------- Page: 4 ----------------------
SIST EN ISO 1183-1:2019
EN ISO 1183-1:2019 (E)
European foreword

This document (EN ISO 1183-1:2019) has been prepared by Technical Committee ISO/TC 61 "Plastics"

in collaboration with Technical Committee CEN/TC 249 “Plastics” the secretariat of which is held by

NBN.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by October 2019, and conflicting national standards shall

be withdrawn at the latest by October 2019.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 1183-1:2012.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO 1183-1:2019, Corrected version 2019-05 has been approved by CEN as EN ISO 1183-

1:2019 without any modification.
---------------------- Page: 5 ----------------------
SIST EN ISO 1183-1:2019
---------------------- Page: 6 ----------------------
SIST EN ISO 1183-1:2019
INTERNATIONAL ISO
STANDARD 1183-1
Third edition
2019-03
Corrected version
2019-05
Plastics — Methods for determining
the density of non-cellular plastics —
Part 1:
Immersion method, liquid pycnometer
method and titration method
Plastiques — Méthodes de détermination de la masse volumique des
plastiques non alvéolaires —
Partie 1: Méthode par immersion, méthode du pycnomètre en milieu
liquide et méthode par titrage
Reference number
ISO 1183-1:2019(E)
ISO 2019
---------------------- Page: 7 ----------------------
SIST EN ISO 1183-1:2019
ISO 1183-1:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2019

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved
---------------------- Page: 8 ----------------------
SIST EN ISO 1183-1:2019
ISO 1183-1:2019(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Conditioning .............................................................................................................................................................................................................. 2

5 Methods ......................................................................................................................................................................................................................... 2

5.1 Method A — Immersion method ............................................................................................................................................. 2

5.1.1 Apparatus ............................................................................................................................................................................... 2

5.1.2 Immersion liquid ............................................................................................................................................................. 3

5.1.3 Specimens .............................................................................................................................................................................. 3

5.1.4 Procedure ............................................................................................................................................................................... 3

5.2 Method B — Liquid pycnometer method......................................................................................................................... 4

5.2.1 Apparatus ............................................................................................................................................................................... 4

5.2.2 Immersion liquid ............................................................................................................................................................. 5

5.2.3 Specimens .............................................................................................................................................................................. 5

5.2.4 Procedure ............................................................................................................................................................................... 5

5.3 Method C — Titration method .................................................................................................................................................. 6

5.3.1 Apparatus ............................................................................................................................................................................... 6

5.3.2 Immersion liquids ........................................................................................................................................................... 6

5.3.3 Specimens .............................................................................................................................................................................. 6

5.3.4 Procedure ............................................................................................................................................................................... 6

6 Correction for buoyancy in air ............................................................................................................................................................... 7

7 Test report ................................................................................................................................................................................................................... 8

Annex A (informative) Liquid systems suitable for use in Method C .................................................................................. 9

Annex B (informative) Correction for buoyancy in air ...................................................................................................................10

Bibliography .............................................................................................................................................................................................................................12

© ISO 2019 – All rights reserved iii
---------------------- Page: 9 ----------------------
SIST EN ISO 1183-1:2019
ISO 1183-1:2019(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following

URL: www .iso .org/iso/foreword .html.

This document was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 5, Physical-

chemical properties.

This third edition cancels and replaces the second edition (ISO 1183-1:2012), which has been technically

revised. The main changes compared to the previous edition are as follows:
— the buoyancy correction has been revised.
A list of all parts in the ISO 1183 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/members .html.

This corrected version of ISO 1183-1:2019 incorporates the following corrections:

— correction of the definition of Formula (2).
iv © ISO 2019 – All rights reserved
---------------------- Page: 10 ----------------------
SIST EN ISO 1183-1:2019
INTERNATIONAL STANDARD ISO 1183-1:2019(E)
Plastics — Methods for determining the density of non-
cellular plastics —
Part 1:
Immersion method, liquid pycnometer method and
titration method

WARNING — The use of this document might involve hazardous materials, operations or

equipment. This document does not purport to address all of the safety problems, if any,

associated with its use. It is the responsibility of the user of this document to establish

appropriate health and safety practices.
1 Scope

This document specifies three methods for the determination of the density of non-cellular plastics in

the form of void-free moulded or extruded objects, as well as powders, flakes and granules.

— Method A: Immersion method, for solid plastics (except for powders) in void-free form.

— Method B: Liquid pycnometer method, for particles, powders, flakes, granules or small pieces of

finished parts.
— Method C: Titration method, for plastics in any void-free form.

NOTE Density is frequently used to follow variations in physical structure or composition of plastic

materials. Density can also be useful in assessing the uniformity of samples or specimens. Often, the density of

plastic materials depend upon the choice of specimen preparation method. When this is the case, precise details

of the specimen preparation method are intended to be included in the appropriate material specification. This

note is applicable to all three methods.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 291, Plastics — Standard atmospheres for conditioning and testing
ISO 472, Plastics — Vocabulary
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 472 and the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https: //www .iso .org/obp
— IEC Electropedia: available at http: //www .electropedia .org/
© ISO 2019 – All rights reserved 1
---------------------- Page: 11 ----------------------
SIST EN ISO 1183-1:2019
ISO 1183-1:2019(E)
3.1
mass
quantity of matter contained in a body
Note 1 to entry: It is expressed in kilograms (kg) or grams (g).
3.2
apparent mass
APP

mass of a body obtained by measuring its weight using an appropriately calibrated balance

Note 1 to entry: It is expressed in kilograms (kg) or grams (g).
3.3
density
3 3

ratio of the mass m of a sample to its volume V (at the temperature T), expressed in kg/m , kg/dm (g/

cm or kg/l (g/ml)
[1]

Note 1 to entry: The following terms, based upon ISO 80000-4 , are given in Table 1 for clarification.

Table 1 — Density terms
Term Symbol Formulation Units
kg/m
3 3
Density ρ m/V kg/dm (g/cm )
kg/l (g/ml)
m /kg
3 3
Specific volume v V/m (= 1/ρ) dm /kg (cm /g)
l/kg (ml/g)
4 Conditioning

The test atmosphere shall be in accordance with ISO 291. In general, conditioning specimens to constant

temperature is not required, because the determination itself brings the specimen to the constant

...

SLOVENSKI STANDARD
SIST EN ISO 1183-1:2019
01-junij-2019
1DGRPHãþD
SIST EN ISO 1183-1:2013
3ROLPHUQLPDWHULDOL0HWRGH]DGRORþDQMHJRVWRWHQHSHQMHQLKSROLPHUQLK
PDWHULDORYGHO0HWRGDVSRWDSOMDQMHPPHWRGDVWHNRþLQVNLPSLNQRPHWURPLQ
WLWUDFLMVNDPHWRGD ,62

Plastics - Methods for determining the density of non-cellular plastics - Part 1: Immersion

method, liquid pyknometer method and titration method (ISO 1183-1:2019)

Kunststoffe - Verfahren zur Bestimmung der Dichte von nicht verschäumten Kunststoffen

- Teil 1: Eintauchverfahren, Verfahren mit Flüssigkeitspyknometer und
Titrationsverfahren (ISO 1183-1:2019)
Plastiques - Méthodes de détermination de la masse volumique des plastiques non

alvéolaires - Partie 1: Méthode par immersion, méthode du pycnomètre en milieu liquide

et méthode par titrage (ISO 1183-1:2019)
Ta slovenski standard je istoveten z: EN ISO 1183-1:2019
ICS:
83.080.01 Polimerni materiali na Plastics in general
splošno
SIST EN ISO 1183-1:2019 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN ISO 1183-1:2019
---------------------- Page: 2 ----------------------
SIST EN ISO 1183-1:2019
EN ISO 1183-1
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2019
EUROPÄISCHE NORM
ICS 83.080.01 Supersedes EN ISO 1183-1:2012
English Version
Plastics - Methods for determining the density of non-
cellular plastics - Part 1: Immersion method, liquid
pycnometer method and titration method (ISO 1183-
1:2019)

Plastiques - Méthodes de détermination de la masse Kunststoffe - Verfahren zur Bestimmung der Dichte

volumique des plastiques non alvéolaires - Partie 1: von nicht verschäumten Kunststoffen - Teil 1:

Méthode par immersion, méthode du pycnomètre en Eintauchverfahren, Verfahren mit

milieu liquide et méthode par titrage (ISO 1183- Flüssigkeitspyknometer und Titrationsverfahren (ISO

1:2019) 1183-1:2019)
This European Standard was approved by CEN on 7 March 2019.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 1183-1:2019 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN ISO 1183-1:2019
EN ISO 1183-1:2019 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

---------------------- Page: 4 ----------------------
SIST EN ISO 1183-1:2019
EN ISO 1183-1:2019 (E)
European foreword

This document (EN ISO 1183-1:2019) has been prepared by Technical Committee ISO/TC 61 "Plastics"

in collaboration with Technical Committee CEN/TC 249 “Plastics” the secretariat of which is held by

NBN.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by October 2019, and conflicting national standards shall

be withdrawn at the latest by October 2019.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 1183-1:2012.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO 1183-1:2019 has been approved by CEN as EN ISO 1183-1:2019 without any

modification.
---------------------- Page: 5 ----------------------
SIST EN ISO 1183-1:2019
---------------------- Page: 6 ----------------------
SIST EN ISO 1183-1:2019
INTERNATIONAL ISO
STANDARD 1183-1
Third edition
2019-03
Plastics — Methods for determining
the density of non-cellular plastics —
Part 1:
Immersion method, liquid pycnometer
method and titration method
Plastiques — Méthodes de détermination de la masse volumique des
plastiques non alvéolaires —
Partie 1: Méthode par immersion, méthode du pycnomètre en milieu
liquide et méthode par titrage
Reference number
ISO 1183-1:2019(E)
ISO 2019
---------------------- Page: 7 ----------------------
SIST EN ISO 1183-1:2019
ISO 1183-1:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2019

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved
---------------------- Page: 8 ----------------------
SIST EN ISO 1183-1:2019
ISO 1183-1:2019(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Conditioning .............................................................................................................................................................................................................. 2

5 Methods ......................................................................................................................................................................................................................... 2

5.1 Method A — Immersion method ............................................................................................................................................. 2

5.1.1 Apparatus ............................................................................................................................................................................... 2

5.1.2 Immersion liquid ............................................................................................................................................................. 3

5.1.3 Specimens .............................................................................................................................................................................. 3

5.1.4 Procedure ............................................................................................................................................................................... 3

5.2 Method B — Liquid pycnometer method......................................................................................................................... 4

5.2.1 Apparatus ............................................................................................................................................................................... 4

5.2.2 Immersion liquid ............................................................................................................................................................. 5

5.2.3 Specimens .............................................................................................................................................................................. 5

5.2.4 Procedure ............................................................................................................................................................................... 5

5.3 Method C — Titration method .................................................................................................................................................. 6

5.3.1 Apparatus ............................................................................................................................................................................... 6

5.3.2 Immersion liquids ........................................................................................................................................................... 6

5.3.3 Specimens .............................................................................................................................................................................. 6

5.3.4 Procedure ............................................................................................................................................................................... 6

6 Correction for buoyancy in air ............................................................................................................................................................... 7

7 Test report ................................................................................................................................................................................................................... 8

Annex A (informative) Liquid systems suitable for use in Method C .................................................................................. 9

Annex B (informative) Correction for buoyancy in air ...................................................................................................................10

Bibliography .............................................................................................................................................................................................................................12

© ISO 2019 – All rights reserved iii
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SIST EN ISO 1183-1:2019
ISO 1183-1:2019(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following

URL: www .iso .org/iso/foreword .html.

This document was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 5, Physical-

chemical properties.

This third edition cancels and replaces the second edition (ISO 1183-1:2012), which has been technically

revised. The main changes compared to the previous edition are as follows:
— the buoyancy correction has been revised.
A list of all parts in the ISO 1183 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/members .html.
iv © ISO 2019 – All rights reserved
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SIST EN ISO 1183-1:2019
INTERNATIONAL STANDARD ISO 1183-1:2019(E)
Plastics — Methods for determining the density of non-
cellular plastics —
Part 1:
Immersion method, liquid pycnometer method and
titration method

WARNING — The use of this document might involve hazardous materials, operations or

equipment. This document does not purport to address all of the safety problems, if any,

associated with its use. It is the responsibility of the user of this document to establish

appropriate health and safety practices.
1 Scope

This document specifies three methods for the determination of the density of non-cellular plastics in

the form of void-free moulded or extruded objects, as well as powders, flakes and granules.

— Method A: Immersion method, for solid plastics (except for powders) in void-free form.

— Method B: Liquid pycnometer method, for particles, powders, flakes, granules or small pieces of

finished parts.
— Method C: Titration method, for plastics in any void-free form.

NOTE Density is frequently used to follow variations in physical structure or composition of plastic

materials. Density can also be useful in assessing the uniformity of samples or specimens. Often, the density of

plastic materials depend upon the choice of specimen preparation method. When this is the case, precise details

of the specimen preparation method are intended to be included in the appropriate material specification. This

note is applicable to all three methods.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 291, Plastics — Standard atmospheres for conditioning and testing
ISO 472, Plastics — Vocabulary
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 472 and the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https: //www .iso .org/obp
— IEC Electropedia: available at http: //www .electropedia .org/
© ISO 2019 – All rights reserved 1
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SIST EN ISO 1183-1:2019
ISO 1183-1:2019(E)
3.1
mass
quantity of matter contained in a body
Note 1 to entry: It is expressed in kilograms (kg) or grams (g).
3.2
apparent mass
APP

mass of a body obtained by measuring its weight using an appropriately calibrated balance

Note 1 to entry: It is expressed in kilograms (kg) or grams (g).
3.3
density
3 3

ratio of the mass m of a sample to its volume V (at the temperature T), expressed in kg/m , kg/dm (g/

cm or kg/l (g/ml)
[1]

Note 1 to entry: The following terms, based upon ISO 80000-4 , are given in Table 1 for clarification.

Table 1 — Density terms
Term Symbol Formulation Units
kg/m
3 3
Density ρ m/V kg/dm (g/cm )
kg/l (g/ml)
m /kg
3 3
Specific volume v V/m (= 1/ρ) dm /kg (cm /g)
l/kg (ml/g)
4 Conditioning

The test atmosphere shall be in accordance with ISO 291. In general, conditioning specimens to constant

temperature is not required, because the determination itself brings the specimen to the constant

temperature of the test.

Specimens which change in density during the test to such an extent that the change is greater than the

required accuracy shall be conditioned prior to measurement in accordance with the ap

...

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