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Significance and Use
This procedure is intended to determine the total extractable materials in rubber. It will give the combined amount of rosin and fatty acids, soaps, extender oils, defoamer tars, antioxidants, and other uncombined organic constituents that are extractable in the solvent used. The rubber hydrocarbon can be estimated by subtracting the sum of the total extract, the total ash, the volatile matter, and carbon black content (for carbon black masterbatch) from 100.
1.1 These test methods cover the chemical analysis of extractables from synthetic rubbers and are intended for general use on solid uncompounded styrene-butadiene copolymers commonly referred to as SBR. Analysis of other synthetic rubbers is also possible with some of these test methods. The test methods and the sections in which they are covered are as follows:
Note 1—The nomenclature used in these test methods is in accordance with Practice D 1418
1.2 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.
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
D4483 Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
ICS Number Code 83.060 (Rubber)
UNSPSC Code 13100000(Rubber and elastomers)
ASTM D5774-95(2009), Standard Test Methods for Rubber-Chemical Analysis of Extractables, ASTM International, West Conshohocken, PA, 2009, www.astm.orgBack to Top