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Significance and Use
1.1 This practice covers the identification of polymers in raw rubbers, and cured and uncured compounds, based on a single polymer, by the gas chromatographic patterns of their pyrolysis products (pyrograms). Implementation of this guide presupposes a working knowledge of the principles and techniques of gas chromatography, sufficient to carry out this practice and to interpret the results correctly.2
1.3.2 Butadiene-styrene copolymers produced by solution and emulsion polymerization. It is sometimes possible to distinguish butadiene-styrene copolymers containing different amounts of styrene as well as random polymers from block polymers.
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
E260 Practice for Packed Column Gas Chromatography
E355 Practice for Gas Chromatography Terms and Relationships
ICS Number Code 83.060 (Rubber)
UNSPSC Code 13100000(Rubber and elastomers)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D3452-06(2012), Standard Practice for Rubber—Identification by Pyrolysis-Gas Chromatography, ASTM International, West Conshohocken, PA, 2012, www.astm.orgBack to Top