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BSI
BS 6996:2003

BS 6996:2003

Current

Current

The latest, up-to-date edition.

Mineral oil resistant acrylonitrile-butadiene rubber compounds. Specification

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

05-09-2003

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Classification
4 Composition
5 Preparation of test sheet
6 Physical properties of the vulcanized test sheet
7 Marking
Annex A (informative) Guidance for the preparation
        and testing of products
Bibliography

Gives compositional and physical property requirements for six acrylonitrile-butadiene rubber compounds resistant to mineral oil and of hardness range 40 IRHD to 90 IRHD.

This British Standard specifies compositional and physical property requirements for six acrylonitrile-butadiene rubber compounds resistant to mineral oil and of hardness range 40 IRHD to 90 IRHD.

These compounds are intended for the manufacture of items in the form of extrusions, mouldings and sheet, and for items cut or punched from sheet, in which resistance to mineral oils without excessive shrinkage is a necessary property, and where some stiffening of the harder grades at temperatures below –20 °C can be tolerated.

NOTE Ozone, which is naturally present in the atmosphere, can cause unprotected nitrile rubber to crack when it is strained, and this can often lead to failure of the part.

The nitrile rubber compounds specified in this standard are not required to be compounded to be resistant to ozone attack and their resistance to ozone is not tested.

Potential users should seek technical advice if they are unsure as to whether ozone resistance is required for their application. There is currently no British Standard for ozone resistant nitrile rubber compounds.

Committee
PRI/54
DevelopmentNote
Supersedes BS 6996(1989) & 02/122019 DC (07/2003) Reviewed and confirmed by BSI, November 2008. (11/2008)
DocumentType
Standard
Pages
10
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 7164-7.1:1990 Chemical tests for raw and vulcanized rubber. Methods for determination of polymer content Polyisoprene content
BS 7164-5:1991 Chemical tests for raw and vulcanized rubber Methods for determination of ash content
BS ISO 1817:2015 Rubber, vulcanized or thermoplastic. Determination of the effect of liquids
BS 5923-2:1980 Methods for chemical analysis of rubber EDTA titrimetric method for determination of zinc content of rubber products
BS 3734-1:1997 Rubber. Tolerances for products Dimensional tolerances
BS 3558-2:2001 Glossary of rubber terms Additional British terms
BS 7164-13:1994 Chemical tests for raw and vulcanized rubber Method for determination of total hydrocarbon content
BS 7164-22.1:1994 Chemical tests for raw and vulcanized rubber. Determination of chlorine content Parr bomb method
BS 7164-2.2:1990 Chemical tests for raw and vulcanized rubber. Sample preparation Vulcanized rubber
BS 4181-1:1985 Identification of rubbers by infra-red spectrometry Method for identification of hydrocarbon, chloroprene, nitrile and chlorosulphonated polyethylene rubbers
BS ISO 2230:2002 Rubber products. Guidelines for storage
BS 1155:2003 Natural rubber compounds for extrusion. Specification
BS 7164-3:1992 Chemical tests for raw and vulcanized rubber Methods for determination of solvent extract
BS 3558-1:1997 Glossary of rubber terms International terms

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Hardcopy - English
PDF - English
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