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ASTM D297-21

Current Revision

Standard Test Methods for Rubber Products—Chemical Analysis

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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 3.1). 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:

Sections

Rubber Polymer Content by the Indirect Method

11 – 13

Determinations and Report for the General Method

14 and 15

Density

16

Extract Analysis

17 – 26

Sulfur Analysis

27.1 – 33

Fillers Analysis

34 – 40

Ash Analysis

41 – 51

Part B. Determination of Rubber Polymers

52 – 58

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific precautionary or warning statements are given in 31.4.5, 31.6, 37.4.2, 38.4.2, 45.1.3, 53.2.3.5, 54.4.2, 54.6, 56.5.3, and 57.7.3; and X1.3.3 and X2.4.1.6.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


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.


SDO ASTM: ASTM International
Document Number D297
Publication Date Nov. 1, 2021
Language en - English
Page Count 37
Revision Level 21
Supercedes
Committee D11.11
Publish Date Document Id Type View
Nov. 1, 2021 D0297-21 Revision
July 1, 2015 D0297-15 Revision
May 1, 2013 D0297-13 Revision
Dec. 10, 2002 D0297-93R02E02 Revision
Not Available D0297-81 Revision
Dec. 1, 2019 D0297-15R19 Reaffirmation
Oct. 1, 2006 D0297-93R06 Reaffirmation
Dec. 10, 2002 D0297-93R02E01 Reaffirmation
May 10, 1998 D0297-93R98 Reaffirmation