ISO 3340:1976
(Main)Fibre building boards - Determination of sand content
Fibre building boards - Determination of sand content
The purpose of the method specified is to obtain an indication of machinability by cutting tools. The principle is based on the complete combustion of test pieces and weighing the sand remaining in the desiccator at the end of the procedure. The tubular hearth used to ignite the test pieces is shown in the figure.
Panneaux de fibres — Détermination de la teneur en sable
General Information
Overview
ISO 3340:1976 defines a laboratory method to determine the sand content of hard and medium fibre building boards. The measured sand content provides an indication of the board's machinability by cutting tools and helps anticipate tool wear and quality issues. The method is based on complete combustion of representative test pieces, collection of ash and residual siliceous particles, acid cleaning and filtration, followed by drying and weighing of the retained sand.
Key Topics
- Scope: Applies to hard and medium fibre building boards for machinability assessment.
- Principle: Complete combustion of test pieces, collection of ash, acid wash, filtration through a fine nylon mesh and gravimetric determination of retained sand.
- Apparatus & reagents (selected):
- Balance accurate to 0.001 g
- Tubular hearth (for ignition)
- Muffle furnace regulated at 500–600 °C with ventilation
- Oven regulated at 103 ± 2 °C
- Desiccator with silica gel
- Nylon mesh nominally 40 µm (35 µm acceptable)
- Sintered glass filter crucible (porosity 4), evaporating dish, glass beaker
- Concentrated hydrochloric acid and distilled water
- Sampling & preparation: Strips 10 mm wide taken across board width; condition test pieces to constant mass at standard atmospheric conditions (20 ± 2 °C, 65 ± 5 % RH).
- Procedure (high level):
- Break and mix conditioned test pieces; weigh 200 ± 2 g and place in tubular hearth.
- Ignite and collect ash and charred remains in an evaporating dish; complete combustion in muffle furnace (500–600 °C) until no carbonaceous matter remains.
- Transfer dry ash to a beaker, treat with hydrochloric acid, warm to ~75 °C, dilute and allow solids to settle.
- Decant acid, wash, and filter the stirred mixture through the 40 µm nylon sieve to remove particles below 40 µm.
- Rinse collected sand into a pre-dried crucible, dry at 103 ± 2 °C and weigh.
- Result expression: Sand content is reported as a percentage of the dry mass of the board (mass of collected sand divided by mass of conditioned board × 100).
Applications
- Quality control of fibre building boards to limit abrasive contaminants
- Predicting tool wear and optimizing machining parameters
- Production acceptance testing and supplier verification
- Research and material development for improved machinability
Related Standards
- ISO 818 - Fibre building boards: definition and classification
- Fibre building boards - sampling, cutting and inspection (referenced in ISO 3340)
Notes: Test reports should include sand content per board and batch mean, batch and sample sizes, full sample identification and any operational details or incidents affecting the result. The tubular hearth and apparatus dimensions are specified in the standard to ensure reproducible ignition and collection of ash.
Frequently Asked Questions
ISO 3340:1976 is a standard published by the International Organization for Standardization (ISO). Its full title is "Fibre building boards - Determination of sand content". This standard covers: The purpose of the method specified is to obtain an indication of machinability by cutting tools. The principle is based on the complete combustion of test pieces and weighing the sand remaining in the desiccator at the end of the procedure. The tubular hearth used to ignite the test pieces is shown in the figure.
The purpose of the method specified is to obtain an indication of machinability by cutting tools. The principle is based on the complete combustion of test pieces and weighing the sand remaining in the desiccator at the end of the procedure. The tubular hearth used to ignite the test pieces is shown in the figure.
ISO 3340:1976 is classified under the following ICS (International Classification for Standards) categories: 79.060.20 - Fibre and particle boards. The ICS classification helps identify the subject area and facilitates finding related standards.
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Standards Content (Sample)
INTERNATIONAL STANDARD
INTERNATIONAL ORGANIZATION FOR STAND4RDIZATION l MEXJLHAPOJHAJ? OPPAHM3AUMJl I-Io -ORGANISATION INTERNATIONALE DE NOR MALISATIO N
Fibre building boards -
Determination of sand content
Panneaux de fibres - Dktermina tion de Ia teneur en sable
First edition - 1976-04-01
w
-
UDC 674.817-41 : 543.822 Ref. No. ISO 3340-1976 (EI
Descriptors : building boards, fibre boards, tests, determination, Sand.
Price based on 3 pages
FOREWORD
ISO (the International Organization for Standardization) is a worldwide federation
of national Standards institutes (ISO Member Bodies). The work of developing
International Standards is carried out through ISO Technical Committees. Every
Member Body interested in a subject for which a Technical Committee has been set
up 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.
International Standard ISO 3340 was drawn up by Technical Committee
ISO/TC 89, Fibre building boards, and circulated to the Member Bodies in
February 1974.
lt has been approved by the Member Bodies of the following countries :
lndia South Africa, Rep. of
Austria
Belgium Iran Spain
Bulgaria I reland Sweden
Canada Mexico Switzerland
Chile Netherlands Thailand
Czechoslovakia New Zealand Turkey
Norway
Egypt, Arab Rep. of United Kingdom
Finland Poland U.S.S.R.
France Portugal Yugoslavia
Hungary Romania
The Member Body of the following country expressed disapproval of the document
on technical grounds :
Germany
0 International Organkation for Standardkation, 1976 l
Printed in Switzerland
ISO 33404976 (E)
INTERNATIONAL STANDARD
Fibre building boards - Determination of sand content
7 APPARATUS
1 SCOPE
Ordinary laboratory apparatus and :
This International Standard specifies a method for
determining the sand content in fibre building boards, to
obtain an indication of their machinability by cutting tools.
7.1 Balance, accurate to 0,001 g.
NOTE - The origin of sand is from extraneous sources. Only
7.2 Tubular hearth, in accordance with the figure.
siliceous particles greater than 40 Pm are considered to be damaging.
7.3 Muffle furnace regulated at a temperature between
500 and 600 ‘C, with an arrangement for Ventilation.
2 FIELD OF APPLICATION
Desiccator, containing silica gel.
7.4
This International Standard applies to hard and medium
fibre building boards.
7.5 Oven, regulated at 103 + 2 “C.
7.6 Bunsen burner.
3 REFERENCES
7.7 Water bath at 75 “C.
Fibre building boards - Definition -
ISO 818,
Classifica tion.
7.8 Evaporating dish, capacity 400 ml.
Fibre building boards - Sampling, cutting and
ISO. . ,
inspection. 1)
Glass beaker, capacity 250 ml.
7.9
7.10 Measuring cylinder, capacity 100 ml.
4 DEFINITION
7.11 Nylon mesh, 40 Pm mesh (35 Pm is acceptable).
See ISO 818.
7.12 Sintered glass filter crucible, porosity 4.
7.13 Glass rod.
5 PRINCIPLE
Complete combustion of test pieces and determination of
7.14 Crucible tongs.
the sand content by weighing.
7.15 Bottle with spout.
6 REAGENTS 8 SAMPLING
Determine the number of samples in accordance with the
6.1 Hydrochlorit acid, concentrated, p 1,18 g/mI, about
method given in ISO . . .
36 % (m/m).
Take at random, by drawing lots, Strips each 10 mm wide,
across the full width of the b
...
NORME INTERNATIONALE @ 3340
‘ex&
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION *MEXLIYHAPOJHA5l OPrAHM3AUMR no CTAHJAPTM3AUMM .ORGANISATION INTERNATIONALE DE NORMALISATION
Panneaux de fibres - Détermination de la teneur en sable
- --
Fibre building boards - Determination of sand content
Première édition - 1976-04-01
CDU 674.817-41 : 543.822 Réf. no : IS0 3340-1976 (FI
Descripteurs : panneau de construction, panneau de fibres, essai, determination, sable.
Prix base sur 3 pages
AVANT-PROPOS
L'ISO (Organisation Internationale de Normalisation) est une fédération mondiale
d'organismes nationaux de normalisation (Comités Membres ISO). L'élaboration de
Normes Internationales est confiée aux Comités Techniques ISO. Chaque Comité
Membre intéressé par une étude a le droit de faire partie du Comité Technique
correspondant. Les organisations internationales, gouvernementales et non
gouvernementales, en liaison avec I'ISO, participent également aux travaux.
-
Les Projets de
Normes Internationales adoptés par les Comités Techniques sont
soumis aux Comités Membres pour approbation, avant leur acceptation comme
Normes Internationales par le Conseil de I'ISO.
La Norme Internationale IS0 3340 a été établie par le Comité Technique
ISO/TC 89, Panneaux de fibres, et soumise aux Comités Membres en février 1974.
Elle a été approuvée par les Comités Membres des pays suivants :
Afrique du Sud, Rép. d' Hongrie Roumanie
Autriche Inde Royaume-Uni
Belgique Iran Suède
Bulgarie Irlande Suisse
Canada Mexique Tchécoslovaquie
Chili Norvège T h a 'ï I a nde
Egypte, Rép. arabe d' Nouvelle-Zélande Turquie
Espagne Pays-Bas U.R.S.S.
Finlande
Pologne Yougoslavie
France
Portugal
Le Comité Membre du pays suivant a désapprouvé le document pour des raisons
techniaues :
Allemagne
O Organisation Internationale de Normalisation, 1976 0
Imprimé en Suisse
NORM E INTER NAT I ON AL E IS0 3340-1976 (F)
Panneaux de fibres - Détermination de la teneur en sable
1 OBJET 7 APPAREILLAGE
La présente Norme Internationale spécifie une méthode de Matériel courant de laboratoire, et
détermination de la teneur en sable des panneaux de fibres,
qui indique l’aptitude à l‘usinage par des outils tranchants.
7.1 Balance, précise a 0,001 g.
NOTE - L’origine du sable est de source extérieure. Seules les
7.2 Fourneau tubulaire, suivant figure.
particules siliceuses supérieures a 40 lrn sont considérées comme
@an tes:. -
7.3 Four à moufle, réglable à une température de 500 B
600 OC et avec possibilité de ventilation.
2 DOMAINE D‘APPLICATION
7.4 Dessiccateur, garni de gel de silice.
La présente Norme Internationale s’applique aux panneaux
7.5 Étuve, réglable b 103 * 2 OC.
de fibres durs et mi-durs.
7.6 Bec Bunsen.
7.7 Bain d’eau à 75 OC.
3 RÉFÉRENCES
IS0 818, Panneaux de fibres - Définition - Classification.
7.8 Évaporateur, capacité 400 ml.
IS0 . . . , Panneaux de fibres - Échantillonnage, découpage
et contrôle. 1 ) 7.9 Bécher en verre, capacité 250 ml.
7.10 kprouvette graduée, capacité 100 ml.
4 DÉFINITION
7.1 1 Tamis en nylon, d’ouverture de maille 40 pm (35 pm
est acceptable).
Voir IS0 818.
7.12 Creuset filtrant, en verre fritté, porosité 4.
7.13 Agitateur en verre.
5 PRINCIPE
Combustion complète des éprouvettes et détermination de
7.14 Pincette pour creuset.
la teneur en sable par pesée.
7.15 Flacon à bec.
6 REACTIFS
8 ÉCHANTILLONNAGE
Déterminer le nombre des échantillons conformément à la
6.1 Acide chlorhydrique, concentré, p 1 ,I 8 g/ml, environ
méthode spéci
...
-\
NORME INTERNATIONALE @ 3340
‘*le
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION .MEXllYHAPOLlHAfl OPrAHM3AUMfl no CTAHIlAPTM3AUMM .ORGANISATION INTERNATIONALE DE NORMALISATION
Panneaux de fibres - Détermination de la teneur en sable
Fibre building boards - Determination of sand content
Première édition - 1976-04-01
Réf. no : IS0 3340-1976 (FI
CDU 674.817-41 : 543.822
CD
b
m
F
Descripteurs : panneau de construction, panneau de fibres, essai, détermination, sable
O
d
m
m
Prix basé sur 3 pages
AVANT-PROPOS
L'ISO (Organisation Internationale de Normalisation) est une fédération mondiale
d'organismes nationaux de normalisation (Comités Membres ISO). L'élaboration de
Normes Internationales est confiée aux Comités Techniques ISO. Chaque Comité
Membre intéressé par une étude a le droit de faire partie du Comité Technique
correspondant. Les organisations internationales, gouvernementales et non
gouvernementales, en liaison avec I'ISO, participent également aux travaux.
Les Projets de Normes Internationales adoptés par les Comités Techniques sont
soumis aux Comités Membres pour approbation, avant leur acceptation comme
Normes Internationales par le Conseil de I'ISO.
La Norme Internationale IS0 3340 a été établie par le Comité Technique
ISO/TC 89, Panneaux de fibres, et soumise aux Comités Membres en février 1974.
Elle a été approuvée par les Comités Membres des pays suivants
Afrique du Sud, Rép. d'
Hongrie Roumanie
Autriche
Inde Royaume-Uni
Belgique I ran
Suède
Bulgarie Irlande Suisse
Canada Mexique Tchécoslovaqu ie
Chili Norvège Th ai'l a nd e
Égypte, Rép. arabe d' Nouvelle-Zélande Turquie
Espagne Pays-Bas U.R.S.S.
Finlande Pologne Yougoslavie
France Portugal
Le Comité Membre du pays suivant a désapprouvé le document pour des raisons
techniques :
Allemagne
O Organisation Internationale de Normalisation, 1976
ImDrirné en Suisse
NORME INTERNATIONALE IS0 3340-1976 (F)
Panneaux de fibres - Détermination de la teneur en sable
7 APPAREILLAGE
1 OBJET
Matériel courant de laboratoire, et
La présente Norme Internationale spécifie une méthode de
détermination de la teneur en sable des panneaux de fibres,
qui indique l’aptitude a l’usinage par des outils tranchants.
7.1 Balance, précise a 0,001 g.
NOTE - L’origine du sable est de source extérieure. Seules les
7.2 Fourneau tubulaire, suivant figure.
particules siliceuses supérieures a 40 pm sont considérées comme
gnantes.
7.3 Four à moufle, réglable à une température de 500 a
600 OC et avec possibilité de ventilation.
2 DOMAINE D’APPLICATION 7.4 Dessiccateur, garni de gel de silice.
La présente Norme Internationale s‘applique aux panneaux
7.5 Étuve, réglable à 103 f 2 OC.
de fibres durs et mi-durs.
7.6 Bec Bunsen.
à 75 OC.
7.7 Bain d’eau
3 REFERENCES
IS0 818, Panneaux de fibres - Définition - Classification.
7.8 Évaporateur, capacité 400 ml.
IS0 . . . , Panneaux de fibres - Échantifionnage, découpage
et contrôle. 1 7.9 Bécher en verre, capacité 250 ml.
7.10 kprouvette graduée, capacité 100 ml.
4 DÉFINITION
7.1 1 Tamis en nylon, d‘ouverture de maille 40 pm (35 pm
est acceptable).
Voir IS0 818.
7.12 Creuset filtrant, en verre fritté, porosité 4.
7.13 Agitateur en verre.
5 PRINCIPE
Combustion complète des éprouvettes et détermination de
7.14 Pincette pour creuset.
la teneur en sable par pesée.
7.15 Flacon à bec.
6 REACTIFS
8 ÉCHANTI LLONNAGE
Déterminer le nombre des échantillons conformém
...
ISO 3340:1976은 섬유 건축 보드의 모래 함량을 측정하는 방법을 규정하고 있습니다. 이 표준의 정의된 범위는 기계 가공 가능성을 평가하기 위한 것으로, 시험 조각을 완전 연소한 후 건조기에서 남은 모래의 무게를 측정하는 원리에 기반하고 있습니다. 이 표준의 강점은 섬유 건축 보드의 제조와 가공 과정에서의 기계 가공 가능성을 직접적으로 평가할 수 있다는 점입니다. 이는 제조업체가 제품의 품질을 높이고 생산성을 개선하는 데 도움을 줄 수 있습니다. 테스트에서 사용하는 튜브형 화덕의 구체적인 설계는 이 방법의 신뢰성을 보장하며, 표준화된 절차는 일관된 결과를 도출할 수 있도록 합니다. 또한, ISO 3340:1976은 건축 및 물질 과학 분야에서 섬유 보드를 사용하는 모든 이해관계자에게 높은 관련성을 가지고 있습니다. 이 표준은 다양한 산업에서 섬유 건축 보드의 활용 성과를 높이는 데 기여하고, 다양한 환경에서 일관되게 적용될 수 있는 검증된 방법론을 제공합니다. 결론적으로, ISO 3340:1976은 섬유 건축 보드의 모래 함량을 측정하기 위한 유용하고 신뢰할 수 있는 표준으로, 기계 가공 가능성을 평가하는 데 중요한 역할을 합니다. 이를 통해 제조업체는 제품 개선 및 품질 관리를 위한 기초 자료를 확보할 수 있습니다.
The ISO 3340:1976 standard provides a systematic approach for determining the sand content in fibre building boards. Its primary purpose is to assess machinability by cutting tools, which is crucial for manufacturers and users of fibre building products. The scope of the standard is clear and focused on a robust methodology that includes the complete combustion of the test pieces, ensuring that the process yields consistent and reliable results. A significant strength of ISO 3340:1976 is its well-defined procedure, which includes a detailed description of the apparatus used, particularly the tubular hearth for igniting test pieces. This precision in the method encourages replicability across different laboratories and manufacturers, enhancing the reliability of the machinability assessment of fibre building boards. Moreover, the requirement to weigh the remaining sand post-combustion provides a quantitative measure that can be easily interpreted. The relevance of ISO 3340:1976 in today's industry cannot be overstated. As demand for high-quality fibre building boards increases, understanding the sand content becomes essential for optimizing manufacturing processes and improving product quality. The standard addresses this need directly, making it a vital tool in ensuring that materials conform to expected performance criteria. Overall, ISO 3340:1976 stands out as a comprehensive, practical standard that effectively aids in evaluating the machinability of fibre building boards through sand content determination, thereby supporting quality assurance in the manufacturing sector.
ISO 3340:1976は、「繊維建材 - 砂分含有量の測定」に関する基準であり、その目的は切削工具による加工性の指標を得ることです。この標準は、試料を完全に燃焼させ、その後脱水器内に残った砂の重量を測定することによって評価を行います。試料を点火するために使用される管状炉が文書内に示されています。 この標準の強みは、繊維建材の加工時における切削工具の性能を定量的に評価できる点にあります。加工業界では、素材の砂分含有量が切削工具の摩耗や寿命に大きな影響を与えるため、ISO 3340:1976は非常に重要です。また、簡易的かつ再現性のある測定方法を提供していることで、業界全体での標準化を促進し、製品品質の向上に寄与します。 さらに、この標準は、繊維建材の製造プロセスにおいて、品質管理や製品開発における不可欠な手段となります。特に、施工現場での材料選択や加工時の問題解決に役立つ情報を提供するため、その関連性も非常に高いといえます。これにより、業界プレイヤーはISO 3340:1976を基にした判断を行い、効率的な工程管理を実現できるでしょう。
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