summary
Standard Test Method for Isocyanate Groups in Urethane Materials or Prepolymers (Withdrawn 2019)
description
Significance and Use
The percent NCO is used to establish unit ratios for stoichiometric reactions with co-reactants.
Scope
1.1 This test method covers the determination of the isocyanate group (NCO) content of a urethane intermediate or prepolymer.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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 and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 8.
Details
Publisher
ASTM
File size
46.38 KB
Pages
2
Format
PDF
Publication date
2019-10-07
