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ASTM D297 - 15(2019)
Standard Test Methods for Rubber Products—Chemical Analysis
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Abstract
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.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1. Scope
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D982 Test Method for Organic Nitrogen in Paper and Paperboard
D1416 Test Methods for Rubber from Synthetic Sources--Chemical Analysis
D1418 Practice for Rubber and Rubber LaticesNomenclature
D1646 Test Methods for RubberViscosity, Stress Relaxation, and Pre-Vulcanization Characteristics (Mooney Viscometer)
D3040 Practice for Preparing Precision Statements for Standards Related to Rubber and Rubber Testing
D3156 Practice for RubberChromatographic Analysis of Antidegradants (Antioxidants, Antiozonants and Stabilizers)
D3452 Practice for RubberIdentification by Pyrolysis-Gas Chromatography
D3677 Test Methods for RubberIdentification by Infrared Spectrophotometry
D4483 Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
E131 Terminology Relating to Molecular Spectroscopy
E200 Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis
E442 Test Method for Chlorine, Bromine, or Iodine in Organic Compounds by Oxygen Flask Combustion
E443 Test Method for Sulfur in Organic Compounds by Oxygen Flask Combustion
ICS Code
ICS Number Code 83.060 (Rubber)
UNSPSC Code
UNSPSC Code 13101607(Rubber compound)
Referencing This Standard
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DOI: 10.1520/D0297-15R19
Citation Format
ASTM D297-15(2019), Standard Test Methods for Rubber Products—Chemical Analysis, ASTM International, West Conshohocken, PA, 2019, www.astm.org
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