Standard Test Method for Polyurethane Raw Materials: Determination of Monomer and Isomers in Isocyanates
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-bis-(4-phenylisocyanate) (MDI) and polymethylene polyphenylisocyanates (PMDI). (See Note 1.)
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.
There is no known ISO equivalent to this standard.
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