BS 6995:1997

Superseded

View Superseded by

Method for evaluation of vulcanization characteristics of styrene-butadiene rubber (SBR, YSBR) (emulsion and solution-polymerized types)

Available format(s)

Hardcopy , PDF

Superseded date

10-31-2009

Language(s)

English

Published date

03-15-1997

Publisher

British Standards Institution

Committees responsible
National foreword
Specification
1 Scope
2 Normative references
3 Sampling and further preparative procedures
4 Physical and chemical tests on new rubber
5 Preparation of the test mixes
6 Evaluation of vulcanization characteristics by a
    curemeter test
7 Evaluation of tensile stress-strain properties of
    vulcanized test mixes
8 Precision
9 Test report
Annexes
A (informative) Method B - Internal mixer for initial
    mixing and mill for final mixing
B (informative) Guidance for using precision results
C (informative) Comments on precision results
Tables
1 Types of raw styrene-butadiene rubber
2 Test formulations
3 Alternative test formulations for oil-extended
    types
4 Type 2 precision for stress-strain tests after mixing
    with a mill mixer
5 Type 2 precision after mixing with a miniature
    internal mixer

Defines physical and chemical tests on raw rubbers, standard materials, test formulations, equipment and methods of processing for evaluation of vulcanization characteristics of emulsion- and solution-polymerized styrene-butadiene rubbers, (SBR), to include oil-extended rubbers.

Committee	PRI/50
DevelopmentNote	Supersedes 91/38416 DC and BS 6995(1988) (09/2005)
DocumentType	Standard
Pages	20
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS ISO 2322:2014 BS ISO 2322:2009
Supersedes	BS 6995:1988

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