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BS 2751:2001

BS 2751:2001

$86.31

General purpose acrylonitrile-butadiene rubber compounds. Specification

Published By Publication Date Number of Pages
BSI 2001 12
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This British Standard specifies compositional and physical property requirements for general purpose acrylonitrile-butadiene rubber compounds of hardness range 40 IRHD to 90 IRHD, designated BA40, BA50, BA60, BA70, BA80, BA90, and for an electrical grade acrylonitrile-butadiene rubber compound, of hardness 60 IRHD, designated E.

These compounds are intended for the manufacture of items in the form of extrusions, mouldings, sheet and items cut or punched from sheet in which resistance to certain organic liquids is a necessary property, and where some stiffening of the harder grades at temperatures below –20 ºC can be tolerated.

NOTE 1 Compounds in the BA series may not have good electrical insulating properties whereas the compound designated E is available with specific electrical properties.

NOTE 2 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.

PDF Catalog

PDF Pages PDF Title
1 BRITISH STANDARD
2 Committees responsible for this British�Standard
3 Contents
5 1 Scope
2 Normative references
6 3 Classification
Table 1 Compound classification
4 Composition
5 Preparation of test sheet
7 6 Physical properties of the vulcanized test sheet
7 Marking
8 Table 2 Physical properties of two-thickness test sheets
9 Annex A (informative) Guidance for the preparation and testing of rubber products
10 Bibliography

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BS 2751:2001
$86.31