SIST EN 16602-70-29:2015
(Main)Space product assurance - Determination of offgassing products from materials and assembled articles to be used in a manned space vehicle crew compartment
Space product assurance - Determination of offgassing products from materials and assembled articles to be used in a manned space vehicle crew compartment
All nonmetallic materials release trace contaminants into the surrounding environment; the extent to which this occurs is dependent on the nature of the material concerned. In the closed environment of a manned spacecraft contaminants within the atmosphere are potentially dangerous with respect to toxicity and its consequences for the safety of the crew.
This Standard defines a test procedure for the determination of the trace contaminants release by nonmetallic materials under a set of closely controlled conditions. The test procedure covers both individual materials and assembled articles.
In this Standard the supplier means the testing authority that is responsible for specifying and executing the offgassing tests.
This Standard describes a test to provide data for aid in the evaluation of the suitability of assembled articles and materials for use in a space vehicle crew compartment. The data obtained are in respect of the nature and quantity of organic and inorganic volatile contaminants evolved when subjected to the crew compartment environment.
This standard may be tailored for the specific characteristics and constrains of a space project in conformance with ECSS-S-ST-00.
Raumfahrtproduktsicherung - Bestimmung der Abgabe von Fremdstoffen durch Werkstoffe und Bauteile im Mannschaftsraum von Raumfahrzeugen
Assurance produit des projets spatiaux - Détermination des produits de dégazage sous atmosphère pour les matériaux et éléments assemblés utilisés dans le poste d'équipage du satellite habité
Tous les matériaux non métalliques libèrent des contaminants à l'état de traces dans leur environnement immédiat. L'ampleur de ce phénomène dépend de la nature du matériau concerné. Dans l'enceinte fermée d'un engin spatial habité, les contaminants présents dans l'atmosphère constituent un danger potentiel du fait de leur toxicité et de ses conséquences sur la sécurité de l’équipage.
La présente norme définit une procédure d'essai permettant de caractériser la libération de contaminants à l’état de traces par des matériaux non métalliques dans un ensemble de conditions étroitement contrôlées. Cette procédure concerne à la fois les matériaux non assemblés et les éléments assemblés.
Dans la présente norme, le terme de fournisseur désigne l'autorité chargée des essais, à qui il incombe de spécifier et d'exécuter les essais de dégazage sous atmosphère.
La présente norme décrit un essai destiné à fournir des indications permettant d'évaluer la pertinence des éléments assemblés et des matériaux utilisés dans le poste d'équipage d'un véhicule spatial. Les données obtenues concernent la nature et la quantité des contaminants volatils organiques et non organiques émis dans le cadre de l’environnement du poste d’équipage.
La présente norme peut être adaptée aux caractéristiques et contraintes spécifiques d'un projet spatial, conformément à l'ECSS-S-ST-00.
Zagotavljanje varnih proizvodov v vesoljski tehniki - Ugotavljanje odvajanja plinskih produktov iz materialov in sestavin, uporabljenih v kabinah vesoljskih plovilih s posadko
Vsi nekovinski materiali sproščajo onesnaževala v sledeh v okolico, pri čemer je obseg tega sproščanja odvisen od narave zadevnega materiala. V zaprtem okolju vesoljskega plovila s posadko so onesnaževala v ozračju potencialno nevarna zaradi toksičnosti in njenih posledic za varnost posadke. Ta standard določa preskusni postopek za ugotavljanje sproščanja onesnaževal v sledeh iz nekovinskih materialov v okviru sklopa natančno nadzorovanih pogojev. Preskusni postopek zajema posamezne materiale in sestavine. V tem standardu pomeni dobavitelj organ za preskušanje, ki je odgovoren za določanje in izvajanje preskusov odvajanja plinskih produktov. Ta standard opisuje preskus, ki zagotavlja podatke za pomoč pri ocenjevanju ustreznosti sestavin in materialov, ki se uporabljajo v oddelku vesoljskega plovila za posadko. Pridobljeni podatki obravnavajo lastnosti in količino organskih in anorganskih hlapnih onesnaževal, ki nastanejo pri izpostavljenosti okolju oddelka za posadko. Ta standard se lahko prilagodi posameznim lastnostim in omejitvam vesoljskega projekta v skladu s standardom ECSS-S-ST-00.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 16602-70-29:2015
01-januar-2015
1DGRPHãþD
SIST EN 14100:2004
Zagotavljanje varnih proizvodov v vesoljski tehniki - Ugotavljanje odvajanja
plinskih produktov iz materialov in sestavin, uporabljenih v kabinah vesoljskih
plovilih s posadko
Space product assurance - Determination of offgassing products from materials and
assembled articles to be used in a manned space vehicle crew compartment
Raumfahrtproduktsicherung - Bestimmung der Abgabe von Fremdstoffen durch
Werkstoffe und Bauteile im Mannschaftsraum von Raumfahrzeugen
Assurance produit des projets spatiaux - Détermination des produits de dégazage sous
atmosphère pour les matériaux et éléments assemblés utilisés dans le poste d'équipage
du satellite habité
Ta slovenski standard je istoveten z: EN 16602-70-29:2014
ICS:
49.140 Vesoljski sistemi in operacije Space systems and
operations
SIST EN 16602-70-29:2015 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
SIST EN 16602-70-29:2015
---------------------- Page: 2 ----------------------
SIST EN 16602-70-29:2015
EUROPEAN STANDARD
EN 16602-70-29
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2014
ICS 49.140 Supersedes EN 14100:2001
English version
Space product assurance - Determination of offgassing products
from materials and assembled articles to be used in a manned
space vehicle crew compartment
Assurance produit des projets spatiaux - Détermination des Raumfahrtproduktsicherung - Bestimmung der Abgabe von
produits de dégazage sous atmosphère pour les matériaux Fremdstoffen durch Werkstoffe und Bauteile im
et éléments assemblés utilisés dans le poste d'équipage du Mannschaftsraum von Raumfahrzeugen
satellite habité
This European Standard was approved by CEN on 11 April 2014.
CEN and CENELEC 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 and CENELEC
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 and CENELEC member into its own language and notified to the CEN-CENELEC Management Centre
has the same status as the official versions.
CEN and CENELEC members are the national standards bodies and national electrotechnical committees 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, Slovakia,
Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
CEN-CENELEC Management Centre:
Avenue Marnix 17, B-1000 Brussels
© 2014 CEN/CENELEC All rights of exploitation in any form and by any means reserved Ref. No. EN 16602-70-29:2014 E
worldwide for CEN national Members and for CENELEC
Members.
---------------------- Page: 3 ----------------------
SIST EN 16602-70-29:2015
EN 16602-70-29:2014 (E)
Table of contents
Foreword . 4
1 Scope . 5
2 Normative references . 6
3 Terms, definitions and abbreviated terms . 7
3.1 Terms defined in other standards . 7
3.2 Terms specific to the present standard . 7
3.3 Abbreviated terms. 8
3.4 Formula for conversion . 8
4 Requirements . 9
4.1 Preparatory conditions . 9
4.1.1 Test specimen preparation . 9
4.1.2 Cleaning . 11
4.1.3 Identification . 11
4.2 Test facility. 11
4.2.1 General requirements . 11
4.2.2 Test chamber . 11
4.2.3 Sampling equipment . 12
4.2.4 Analytical equipment . 12
4.2.5 Resolution (Static): at the slit settings provided, the resolution
definition (10 % valley) is within the values listed in Gas supplies . 13
4.2.6 Gas supplies . 13
4.3 Test chamber certification procedure . 13
4.4 Test procedure . 14
4.4.1 Test conditions . 14
4.4.2 Test execution . 14
4.4.3 Analysis of samples . 15
4.5 Acceptance limits . 15
4.5.1 Materials . 15
4.5.2 Assembled articles, experiments and racks. 15
4.6 Quality assurance . 16
4.6.1 Data . 16
2
---------------------- Page: 4 ----------------------
SIST EN 16602-70-29:2015
EN 16602-70-29:2014 (E)
4.6.2 Calibration . 16
Annex A (normative) Offgassing evaluation report - DRD . 17
Annex B (informative) Example of test method procedure . 19
Bibliography . 21
Tables
Table 4-1: Slits setting . 13
3
---------------------- Page: 5 ----------------------
SIST EN 16602-70-29:2015
EN 16602-70-29:2014 (E)
Foreword
This document (EN 16602-70-29:2014) has been prepared by Technical
Committee CEN/CLC/TC 5 “Space”, the secretariat of which is held by DIN.
This standard (EN 16602-70-29:2014) originates from ECSS-Q-ST-70-29C.
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 April 2015,
and conflicting national standards shall be withdrawn at the latest by April
2015.
Attention is drawn to the possibility that some of the elements of this document
may be the subject of patent rights. CEN [and/or CENELEC] shall not be held
responsible for identifying any or all such patent rights.
This document supersedes EN 14100:2001.
This document has been prepared under a mandate given to CEN by the
European Commission and the European Free Trade Association.
This document has been developed to cover specifically space systems and has
therefore precedence over any EN covering the same scope but with a wider
domain of applicability (e.g. : aerospace).
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,
Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United
Kingdom.
4
---------------------- Page: 6 ----------------------
SIST EN 16602-70-29:2015
EN 16602-70-29:2014 (E)
1
Scope
All non-metallic materials release trace contaminants into the surrounding
environment; the extent to which this occurs is dependent on the nature of the
material concerned. In the closed environment of a manned spacecraft
contaminants within the atmosphere are potentially dangerous with respect to
toxicity and its consequences for the safety of the crew.
This Standard defines a test procedure for the determination of the trace
contaminants release by non-metallic materials under a set of closely controlled
conditions. The test procedure covers both individual materials and assembled
articles.
In this Standard the supplier means the testing authority that is responsible for
specifying and executing the offgassing tests.
This Standard describes a test to provide data for aid in the evaluation of the
suitability of assembled articles and materials for use in a space vehicle crew
compartment. The data obtained are in respect of the nature and quantity of
organic and inorganic volatile contaminants evolved when subjected to the
crew compartment environment.
This standard may be tailored for the specific characteristics and constrains of a
space project in conformance with ECSS-S-ST-00.
5
---------------------- Page: 7 ----------------------
SIST EN 16602-70-29:2015
EN 16602-70-29:2014 (E)
2
Normative references
The following normative documents contain provisions which, through
reference in this text, constitute provisions of this ECSS Standard. For dated
references, subsequent amendments to, or revision of any of these publications
do not apply, However, parties to agreements based on this ECSS Standard are
encouraged to investigate the possibility of applying the more recent editions of
the normative documents indicated below. For undated references, the latest
edition of the publication referred to applies.
EN reference Reference in text Title
EN 16601-00-01 ECSS-S-ST-00-01 ECSS system – Glossary of terms
EN 16602-10-09 ECSS-Q-ST-10-09 Space product assurance – Nonconformance control
system
EN 16602-70 ECSS-Q-ST-70 Space product assurance – Materials, mechanical
parts and processes
6
---------------------- Page: 8 ----------------------
SIST EN 16602-70-29:2015
EN 16602-70-29:2014 (E)
3
Terms, definitions and abbreviated terms
3.1 Terms defined in other standards
For the purpose of this Standard, the terms and definitions from ECSS-S-ST-00-01
and ECSS-Q-ST-70 apply.
3.2 Terms specific to the present standard
3.2.1 assembled article
any component “black box” or assembly of components which represents the
article to be used in a spacecraft
3.2.2 experiment
item designed and built to accomplish a specific purpose which can be
disassembled and retain its capabilities after re-assembly
3.2.3 offgassing
evolution of gaseous products for an assembled article subjected to slight
radiant heat in the specified test atmosphere
3.2.4 offgassing product
organic or inorganic compound evolved from a material or assembled article or
experiment or rack
3.2.5 rack
structure in which different experiments take place during a manned mission
3.2.6 SMAC (Spacecraft Maximum Allowable Concentration)
maximum concentration of a volatile offgassed product that is allowed in the
spacecraft atmosphere for a specified flight duration
3.2.7 toxic hazard index (T)
ratio of the projected concentration of each offgassed product to its SMAC value
and summing the ratios for all offgassed products without separation into
toxicological categories
NOTE Further details on the calculation of this T-value
can also be obtained in NASA-STD-6001.
7
---------------------- Page: 9 ----------------------
SIST EN 16602-70-29:2015
EN 16602-70-29:2014 (E)
3.3 Abbreviated terms
For the purpose of this Standard, the abbreviated terms from ECSS-S-ST-00-01
and the following apply:
Abbreviation Meaning
3
concentration expressed in µg/m
C
concentration expressed in ppm
C1
±
chemical ionization
CI
electron ionization
EI
electron volt
eV
gas-chromatograph
GC
mass-spectrometer
MS
molecular weight
MWt
ratio mass to charge
m/z
part per million
ppm
Spacecraft Maximum Allowable Concentration
SMAC
toxic hazard index
T
NOTE For µg/m3, the conversion to ppm is done,
using the formula ((3-1) given in clause 3.4
3.4 Formula for conversion
3
Formula (3-1) shows the conversion from µg/m to ppm:
3
10 P 298
(3-1)
C =C ×MW × × ×
1 t
24,47 1013 273 +t
Where:
3
• C is the concentration ( µg/m )
• C1 is the concentration (ppm)
• MWt is the molecular weight (g)
• P is the pressure (hPa)
• t is the room temperature ( °C) (End of test)
• 24,47 is the molecular volume at 25 °C (l)
8
---------------------- Page: 10 ----------------------
SIST EN 16602-70-29:2015
EN 16602-70-29:2014 (E)
4
Requirements
4.1 Preparatory conditions
4.1.1 Test specimen preparation
4.1.1.1 General preferences
a. The supplier shall classify all materials to be tested into one of the three
categories “Surface”, “Volume” and “Mass” described in 4.1.1.2, 4.1.1.3
and 4.1.1.4, respectively.
4.1.1.2 Samples of category “Surface”
a. The category “Surface” shall include films, fabrics, coatings, finishes,
inks, primers, adhesives, thin film lubricants, tapes and electrical
insulating materials.
NOTE This category is defined for materials that are
essentially two dimensional.
2
b. The supplier shall select test samples with a surface of (300 ± 10) cm per
litre of test chamber.
c. Coatings and finishes shall be coated on a clean aluminium substrate.
d. Material thickness, curing process and method of application shall be in
accordance with the manufacturer’s recommendations.
NOTE Only the outer surfaces of a material on the
aluminium panel are counted in surface area
determinations.
e. The supplier shall cut films, fabrics and similar materials to ensure a
2
surface of (300 ± 10) cm .
NOTE Because materials are often “two surfaced” in
use, the total surface area is determined by
counting, the top and the bottom surface.
f. Heat shrinkable tubing or boots shall be applied and shrunk to simulate
actually used configuration.
9
---------------------- Page: 11 ----------------------
SIST EN 16602-70-29:2015
EN 16602-70-29:2014 (E)
4.1.1.3 Samples of category “Volume”
a. The category “Volume” shall include foams and other blown or foamed
materials and insulating padding.
NOTE This category is defined for materials having a
defined volume but a large real surface area
due to surface convolutions or matting.
b. The supplier shall cut samples to a thickness of (1,25 ± 0,2) cm unless the
existing thickness is less than 1,25 cm. In this case, the existing thickness
shall be used.
2
c. The supplier shall cut the samples to a surface size of (50 ± 5) cm per litre
of test container volume.
d. The supplier shall use all surfaces, tops, bottoms and sides to calculate
the total surface area.
e. In cases where the cut pieces of the sample do not fit into the container
because of its size, the supplier shall cut two or more pieces, as long as
4.1.1.3d. is met.
4.1.1.4 Samples of category “Mass”
a. The category “Mass” shall include potting compounds, moulding
compounds, cast of formed objects, solid wires and thick plastics.
NOTE This category is defined for materials having a
defined bulk but not falling into the volume
...
SLOVENSKI STANDARD
kSIST FprEN 16602-70-29:2014
01-februar-2014
Zagotavljanje varnih proizvodov v vesoljski tehniki - Ugotavljanje odvajanja
plinskih produktov iz materialov in sestavin, uporabljenih v kabinah vesoljskih
plovilih s posadko
Space product assurance - Determination of offgassing products from materials and
assembled articles to be used in a manned space vehicle crew compartment
Raumfahrtproduktsicherung - Bestimmung der Abgabe von Fremdstoffen durch
Werkstoffe und Bauteile im Mannschaftsraum von Raumfahrzeugen
Assurance produit des projets spatiaux - Détermination des produits de dégazage sous
atmosphère pour les matériaux et éléments assemblés utilisés dans le poste d'équipage
du satellite habité
Ta slovenski standard je istoveten z: FprEN 16602-70-29
ICS:
49.140 Vesoljski sistemi in operacije Space systems and
operations
kSIST FprEN 16602-70-29:2014 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
kSIST FprEN 16602-70-29:2014
---------------------- Page: 2 ----------------------
kSIST FprEN 16602-70-29:2014
EUROPEAN STANDARD
FINAL DRAFT
FprEN 16602-70-29
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2013
ICS 49.140 Will supersede EN 14100:2001
English version
Space product assurance - Determination of offgassing products
from materials and assembled articles to be used in a manned
space vehicle crew compartment
Assurance produit des projets spatiaux - Détermination des Raumfahrtproduktsicherung - Bestimmung der Abgabe von
produits de dégazage sous atmosphère pour les matériaux Fremdstoffen durch Werkstoffe und Bauteile im
et éléments assemblés utilisés dans le poste d'équipage du Mannschaftsraum von Raumfahrzeugen
satellite habité
This draft European Standard is submitted to CEN members for unique acceptance procedure. It has been drawn up by the Technical
Committee CEN/CLC/TC 5.
If this draft becomes a European Standard, CEN and CENELEC 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.
This draft European Standard was established by CEN and CENELEC in three official versions (English, French, German). A version in any
other language made by translation under the responsibility of a CEN and CENELEC member into its own language and notified to the
CEN-CENELEC Management Centre has the same status as the official versions.
CEN and CENELEC members are the national standards bodies and national electrotechnical committees 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, Slovakia,
Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
CEN-CENELEC Management Centre:
Avenue Marnix 17, B-1000 Brussels
© 2013 CEN/CENELEC All rights of exploitation in any form and by any means reserved Ref. No. FprEN 16602-70-29:2013 E
worldwide for CEN national Members and for CENELEC
Members.
---------------------- Page: 3 ----------------------
kSIST FprEN 16602-70-29:2014
FprEN 16602-70-29:2013 (E)
Table of contents
Foreword . 4
1 Scope . 5
2 Normative references . 6
3 Terms, definitions and abbreviated terms . 7
3.1 Terms defined in other standards . 7
3.2 Terms specific to the present standard . 7
3.3 Abbreviated terms. 8
3.4 Formula for conversion . 8
4 Requirements . 9
4.1 Preparatory conditions . 9
4.1.1 Test specimen preparation . 9
4.1.2 Cleaning . 11
4.1.3 Identification . 11
4.2 Test facility. 11
4.2.1 General requirements . 11
4.2.2 Test chamber . 11
4.2.3 Sampling equipment . 12
4.2.4 Analytical equipment . 12
4.2.5 Resolution (Static): at the slit settings provided, the resolution
definition (10 % valley) is within the values listed in Gas supplies . 13
4.2.6 Gas supplies . 13
4.3 Test chamber certification procedure . 13
4.4 Test procedure . 14
4.4.1 Test conditions . 14
4.4.2 Test execution . 14
4.4.3 Analysis of samples . 15
4.5 Acceptance limits . 15
4.5.1 Materials . 15
4.5.2 Assembled articles, experiments and racks. 15
4.6 Quality assurance . 16
4.6.1 Data . 16
2
---------------------- Page: 4 ----------------------
kSIST FprEN 16602-70-29:2014
FprEN 16602-70-29:2013 (E)
4.6.2 Calibration . 16
Annex A (normative) Offgassing evaluation report - DRD . 17
Annex B (informative) Example of test method procedure . 19
Bibliography . 21
Tables
Table 4-1: Slits setting . 13
3
---------------------- Page: 5 ----------------------
kSIST FprEN 16602-70-29:2014
FprEN 16602-70-29:2013 (E)
Foreword
This document (FprEN 16602-70-29:2013) has been prepared by Technical
Committee CEN/CLC/TC 5 “Space”, the secretariat of which is held by DIN
(Germany).
This document (FprEN 16602-70-29:2013) originates from ECSS-Q-ST-70-29C.
This document is currently submitted to the Unique Acceptance Procedure.
This document will supersede EN 14100:2001.
This document has been developed to cover specifically space systems and will
the-refore have precedence over any EN covering the same scope but with a
wider do-main of applicability (e.g. : aerospace).
4
---------------------- Page: 6 ----------------------
kSIST FprEN 16602-70-29:2014
FprEN 16602-70-29:2013 (E)
1
Scope
All non-metallic materials release trace contaminants into the surrounding
environment; the extent to which this occurs is dependent on the nature of the
material concerned. In the closed environment of a manned spacecraft
contaminants within the atmosphere are potentially dangerous with respect to
toxicity and its consequences for the safety of the crew.
This Standard defines a test procedure for the determination of the trace
contaminants release by non-metallic materials under a set of closely controlled
conditions. The test procedure covers both individual materials and assembled
articles.
In this Standard the supplier means the testing authority that is responsible for
specifying and executing the offgassing tests.
This Standard describes a test to provide data for aid in the evaluation of the
suitability of assembled articles and materials for use in a space vehicle crew
compartment. The data obtained are in respect of the nature and quantity of
organic and inorganic volatile contaminants evolved when subjected to the
crew compartment environment.
This standard may be tailored for the specific characteristics and constrains of a
space project in conformance with ECSS-S-ST-00.
5
---------------------- Page: 7 ----------------------
kSIST FprEN 16602-70-29:2014
FprEN 16602-70-29:2013 (E)
2
Normative references
The following normative documents contain provisions which, through
reference in this text, constitute provisions of this ECSS Standard. For dated
references, subsequent amendments to, or revision of any of these publications
do not apply, However, parties to agreements based on this ECSS Standard are
encouraged to investigate the possibility of applying the more recent editions of
the normative documents indicated below. For undated references, the latest
edition of the publication referred to applies.
EN reference Reference in text Title
EN 16601-00-01 ECSS-S-ST-00-01 ECSS system – Glossary of terms
EN 16602-10-09 ECSS-Q-ST-10-09 Space product assurance – Nonconformance control
system
EN 16602-70 ECSS-Q-ST-70 Space product assurance – Materials, mechanical
parts and processes
6
---------------------- Page: 8 ----------------------
kSIST FprEN 16602-70-29:2014
FprEN 16602-70-29:2013 (E)
3
Terms, definitions and abbreviated terms
3.1 Terms defined in other standards
For the purpose of this Standard, the terms and definitions from ECSS-S-ST-00-01
and ECSS-Q-ST-70 apply.
3.2 Terms specific to the present standard
3.2.1 assembled article
any component “black box” or assembly of components which represents the
article to be used in a spacecraft
3.2.2 experiment
item designed and built to accomplish a specific purpose which can be
disassembled and retain its capabilities after re-assembly
3.2.3 offgassing
evolution of gaseous products for an assembled article subjected to slight
radiant heat in the specified test atmosphere
3.2.4 offgassing product
organic or inorganic compound evolved from a material or assembled article or
experiment or rack
3.2.5 rack
structure in which different experiments take place during a manned mission
3.2.6 SMAC (Spacecraft Maximum Allowable Concentration)
maximum concentration of a volatile offgassed product that is allowed in the
spacecraft atmosphere for a specified flight duration
3.2.7 toxic hazard index (T)
ratio of the projected concentration of each offgassed product to its SMAC value
and summing the ratios for all offgassed products without separation into
toxicological categories
NOTE Further details on the calculation of this T-value
can also be obtained in NASA-STD-6001.
7
---------------------- Page: 9 ----------------------
kSIST FprEN 16602-70-29:2014
FprEN 16602-70-29:2013 (E)
3.3 Abbreviated terms
For the purpose of this Standard, the abbreviated terms from ECSS-S-ST-00-01
and the following apply:
Abbreviation Meaning
3
concentration expressed in µg/m
C
concentration expressed in ppm
C1
±
chemical ionization
CI
electron ionization
EI
electron volt
eV
gas-chromatograph
GC
mass-spectrometer
MS
molecular weight
MWt
ratio mass to charge
m/z
part per million
ppm
Spacecraft Maximum Allowable Concentration
SMAC
toxic hazard index
T
NOTE For µg/m3, the conversion to ppm is done,
using the formula ((3-1) given in clause 3.4
3.4 Formula for conversion
3
Formula (3-1) shows the conversion from µg/m to ppm:
3
10 P 298
(3-1)
C = C × MW × × ×
1 t
24,47 1013 273 + t
Where:
3
• C is the concentration ( µg/m )
• C1 is the concentration (ppm)
• MWt is the molecular weight (g)
• P is the pressure (hPa)
• t is the room temperature ( °C) (End of test)
• 24,47 is the molecular volume at 25 °C (l)
8
---------------------- Page: 10 ----------------------
kSIST FprEN 16602-70-29:2014
FprEN 16602-70-29:2013 (E)
4
Requirements
4.1 Preparatory conditions
4.1.1 Test specimen preparation
4.1.1.1 General preferences
a. The supplier shall classify all materials to be tested into one of the three
categories “Surface”, “Volume” and “Mass” described in 4.1.1.2, 4.1.1.3
and 4.1.1.4, respectively.
4.1.1.2 Samples of category “Surface”
a. The category “Surface” shall include films, fabrics, coatings, finishes,
inks, primers, adhesives, thin film lubricants, tapes and electrical
insulating materials.
NOTE This category is defined for materials that are
essentially two dimensional.
2
b. The supplier shall select test samples with a surface of (300 ± 10) cm per
litre of test chamber.
c. Coatings and finishes shall be coated on a clean aluminium substrate.
d. Material thickness, curing process and method of application shall be in
accordance with the manufacturer’s recommendations.
NOTE Only the outer surfaces of a material on the
aluminium panel are counted in surface area
determinations.
e. The supplier shall cut films, fabrics and similar materials to ensure a
2
surface of (300 ± 10) cm .
NOTE Because materials are often “two surfaced” in
use, the total surface area is determined by
counting, the top and the bottom surface.
f. Heat shrinkable tubing or boots shall be applied and shrunk to simulate
actually used configuration.
9
---------------------- Page: 11 ----------------------
kSIST FprEN 16602-70-29:2014
FprEN 16602-70-29:2013 (E)
4.1.1.3 Samples of category “Volume”
a. The category “Volume” shall include foams and other blown or foamed
materials and insulating padding.
NOTE This category is defined for materials having a
defined volume but a large real surface area
due to surface convolutions or matting.
b. The supplier shall cut samples to a thickness of (1,25 ± 0,2) cm unless the
existing thickness is less than 1,25 cm. In this case, the existing thickness
shall be used.
2
c. The supplier shall cut the samples to a surface size of (50 ± 5) cm per litre
of test container volume.
d. The supplier shall use all surfaces, tops, bottoms and sides to calculate
the total surface area.
e. In cases where the cut pieces of the sample do not fit into the container
because of its size, the supplier shall cut two or more pieces, as long as
4.1.1.3d. is met.
4.1.1.4 Samples of category “Mass”
a. The category “Mass” shall include potting compounds, moulding
compounds, cast of formed objects, solid wires and thick plastics.
NOTE This category is defined for materials having a
defined bulk but not falling into the volume
classification.
b. The supplier shall use the samples as much as possible in the supplied
configuration and cut them to give (5,0 ± 0,25) g sample per litre of
chamber volume.
c. The supplier shall prepare and cut potted or moulded materials to
adequate weight.
4.1.1.5 Assembled articles
a. The supplier shall test assemble
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.