Standard Historical Last Updated: May 18, 2017
ASTM D7252-06(2011)e1

Standard Test Method for Polyurethane Raw Materials: Determination of Monomer and Isomers in Isocyanates

Significance and Use

This test method can be used for research or for quality control to characterize isocyanates used in polyurethane products.

Scope

1.1 This test method determines the percent by weight of monomeric isomers and total monomer in crude or modified isocyanates. The test method is applicable to methylene di(phenylisocyanate) (MDI) and polymeric (meththylene phenylisocyanate) (PMDI). (See Note 1.)

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.

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

Price:
Contact Sales
Related
Reprints and Permissions
Reprints and copyright permissions can be requested through the
Copyright Clearance Center
Details
Book of Standards Volume: 08.03
Developed by Subcommittee: D20.22
Pages: 5
DOI: 10.1520/D7252-06R11E01
ICS Code: 19.020; 83.040.01; 83.100