BS 6995:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Method for evaluation of vulcanization characteristics of styrene-butadiene rubber (SBR, YSBR) (emulsion and solution-polymerized types)
Hardcopy , PDF
31-10-2009
English
15-03-1997
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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Superseded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 | |
| Supersedes |
| BS 7164-5:1991 | Chemical tests for raw and vulcanized rubber Methods for determination of ash content |
| ISO 11235:2016 | Rubber compounding ingredients — Sulfenamide accelerators — Test methods |
| ASTM D 2084 : 2017 : REDLINE | TEST METHOD FOR RUBBER PROPERTY - VULCANIZATION USING OSCILLATING DISK CURE METER |
| BS ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Basic methods for the determination of repeatability and reproducibility of a standard measurement method |
| BS 903-A60.60.2(1992) : 1992 | PHYSICAL TESTING OF RUBBER - CUREMETERING - METHOD FOR THE DETERMINATION OF VULCANIZATION CHARACTERISTICS USING AN OSCILLATING DISC CUREMETER |
| ISO 6502:2016 | Rubber Guide to the use of curemeters |
| BS ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results General principles and definitions |
| ISO 289-1:2015 | Rubber, unvulcanized Determinations using a shearing-disc viscometer Part 1: Determination of Mooney viscosity |
| ISO 248:2005 | Rubber, raw Determination of volatile-matter content |
| ISO 2393:2014 | Rubber test mixes — Preparation, mixing and vulcanization — Equipment and procedures |
| ISO/TR 9272:2005 | Rubber and rubber products Determination of precision for test method standards |
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