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ASTM D2222-19

Current Revision

Standard Test Method for Methanol Extract of Vinyl Chloride Resins

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1.1 This test method covers the determination of the methanol extract, or nonvolatile methanol-soluble portion, of vinyl chloride resins.

1.2 The methanol extract test is most commonly employed with paste- or dispersion-type vinyl resins intended for organosol or plastisol applications. The major ingredient removed is the soap system employed in the polymerization reaction.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 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.

Note 1: There is no known ISO equivalent to this standard.

1.5 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.


5.1 The methanol extract test is most commonly employed with paste- or dispersion-type vinyl resins intended for organosol or plastisol applications. The test result is a quantitative measure of the methanol-soluble, nonvolatile, essentially nonpolymeric content of the virgin, unmodified resin. The major ingredient removed is the soap system employed in the polymerization reaction; methanol extract provides a measure of lot-to-lot uniformity of the resin in this respect.

SDO ASTM: ASTM International
Document Number D2222
Publication Date April 1, 2019
Language en - English
Page Count 2
Revision Level 19
Supercedes
Committee D20.15
Publish Date Document Id Type View
April 1, 2019 D2222-19 Revision
Aug. 1, 2014 D2222-14 Revision
Nov. 1, 2013 D2222-13 Revision
Sept. 1, 2009 D2222-09 Revision
May 1, 2004 D2222-94R04 Reaffirmation
July 10, 1999 D2222-94R99 Reaffirmation