ASTM-D297 › Standard Test Methods for Rubber Products—Chemical Analysis
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These test methods cover the qualitative and quantitative analyses of the composition of natural and synthetic crude rubbers. These methods are divided into general and specific test methods. General test methods shall be performed to determine the amount and type of some or all of the major constituents of a rubber product, and shall include determination of rubber polymer content by the indirect method, determination of density, and extract, sulfur, fillers, and ash analyses. Specific test methods, on the other hand, shall be performed to determine specific rubber polymers present in a rubber product such as crude, unvulcanized, reclaimed, and vulcanized rubbers.
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1.1 These test methods cover the qualitative and quantitative analysis of the composition of rubber products of the “R” family (see ). Many of these test methods may be applied to the analysis of natural and synthetic crude rubbers.
1.1.1 Part A consists of general test methods for use in the determination of some or all of the major constituents of a rubber product.
1.1.2 Part B covers the determination of specific polymers present in a rubber product.
1.1.3 The test methods appear in the following order:
Part A. General Test Methods:
Rubber Polymer Content by the Indirect Method
Determinations and Report for the General Method
Part B. Determination of Rubber Polymers
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary or warning statements are given in , , , , , , , , , and ; and and .
ICS Number Code 83.060 (Rubber)
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Aug. 1, 2015