BS ISO 2475:2011
$102.76
Chloroprene rubber (CR). General-purpose types. Evaluation procedure
| Published By | Publication Date | Number of Pages |
| BSI | 2011 | 22 |
This International Standard specifies, for general-purpose chloroprene rubbers (CRs):
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physical and chemical tests on raw rubbers;
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standard materials, standard test formulations, equipment and processing methods for evaluating the vulcanization characteristics.
General-purpose chloroprene rubbers fall into three broad classes based on the type of polymerization modifier used in their preparation:
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sulfur-modified types;
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mercaptan-modified types;
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types modified by other products.
For class c), the procedure for either a) or b) may be followed.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 7 | 1 Scope 2 Normative references |
| 8 | 3 Sampling and sample preparation 4 Physical and chemical tests on raw rubber 4.1 Mooney viscosity 4.2 Volatile matter 4.3 Ash 5 Sulfur-modified chloroprene rubbers — Preparation of the test mix for evaluation 5.1 Standard test formulation |
| 9 | 5.2 Procedure 5.2.1 Equipment and procedure 5.2.2 Premastication 5.2.3 Mill mixing procedure |
| 10 | 6 Mercaptan-modified chloroprene rubbers — Preparation of the test mix for evaluation 6.1 Standard test formulation |
| 11 | 6.2 Procedure 6.2.1 Equipment and procedure 6.2.2 Premastication |
| 12 | 6.2.3 Mill mixing procedure |
| 13 | 7 Preparation of the test mix for evaluation of sulfur-modified or mercaptan-modified chloroprene with miniature internal mixer (MIM) 7.1 Standard test formulations 7.2 Procedure |
| 14 | 8 Evaluation of vulcanization characteristics by a curemeter test 8.1 Using an oscillating-disc curemeter 8.2 Using a rotorless curemeter 9 Evaluation of tensile stress-strain properties of vulcanized test mixes |
| 15 | 10 Precision 11 Test report |
