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ASTM D3312-18

Current Revision

Standard Test Method for Percent Reactive Monomer in Solventless Varnishes

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1.1 This test method covers the determination of the percent of volatile reactive monomer having a vapor pressure exceeding 13.3 Pa (0.1 Torr) at 25°C in an uncatalyzed solventless varnish. Experience has shown this method does not accurately determine percent reactive monomer when the vapor pressure is less than 13.3 Pa (0.1 Torr).

1.2 The values stated in SI units are the 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. For a specific precaution, see Section 5.

Note 1: There is no similar or equivalent ISO/IEC standard.

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.


4.1 The percent of reactive monomer in solventless varnishes will affect the viscosity, the handling, and the processing properties of the uncured resin. The percent of reactive monomer will possibly affect the degree of hardness and shrinkage which in turn will affect the physical and electrical properties of the cured resin.

SDO ASTM: ASTM International
Document Number D3312
Publication Date Nov. 1, 2018
Language en - English
Page Count 2
Revision Level 18
Supercedes
Committee D09.01
Publish Date Document Id Type View
Nov. 1, 2018 D3312-18 Revision
Sept. 1, 2004 D3312-04 Revision
Nov. 10, 2000 D3312-00 Revision
April 1, 2013 D3312-04R13 Reaffirmation
Oct. 1, 2009 D3312-04R09 Reaffirmation