BS 4470:1996

Committees responsible
National Foreword
1 Scope
2 Normative references
3 Sampling and further preparative procedures
4 Physical and chemical tests on raw rubber
5 Preparation of test mixes for evaluation of
    isobutene-isoprene rubbers
6 Evaluation of vulcanization characteristics
7 Evaluation of tensile stress-strain properties of
    vulcanized test mixes
8 Test report
Annex
A (informative) Method B - Internal mixer for initial
    and mill for final mixing
Table
1 Standard test formulation for evaluation of
    isobutene-isoprene rubbers

Specifies a standard test formulation, standard materials, and equipment and processing methods for evaluating the vulcanization characteristics of all types of isobutene-isoprene rubber (IIR). Also specifies physical and chemical tests on raw rubbers.