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Significance and Use
For research, development, and quality control purposes, it is advantageous to determine the composition of rubbers in cured, compounded products.
This test method provides such composition analysis utilizing an infrared technique.
1.1 These test methods cover rubber identification and are based on infrared examination of pyrolysis products (pyrolyzates) and films.
1.2 These test methods are applicable to rubbers in the raw state and, when compounded, both in the cured and uncured state.
1.3 Since it is customary in infrared spectrophotometry to use wavenumbers (cm−1) rather than Hertz (Hz), the unit for frequency in the SI system, the former is employed throughout this test method.
1.4 This test method assumes that specimens and infrared spectra are prepared and analyzed by experienced personnel and that the equipment is operated according to the manufacturer's direction for optimum performance. No details for operation of infrared spectrophotometers are included in this test method.
1.5 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 statements are given in Section 17.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D297 Test Methods for Rubber Products--Chemical Analysis
D1418 Practice for Rubber and Rubber Latices--Nomenclature
D3452 Practice for Rubber--Identification by Pyrolysis-Gas Chromatography
E168 Practices for General Techniques of Infrared Quantitative Analysis
ICS Number Code 83.060 (Rubber)
UNSPSC Code 13100000(Rubber and elastomers)