ASTM D2572-97(2010)
Standard Test Method for Isocyanate Groups in Urethane Materials or Prepolymers
- Standard No.
- ASTM D2572-97(2010)
- Release Date
- 1997
- Published By
- American Society for Testing and Materials (ASTM)
- Status
- Replace By
- ASTM D2572-19
- Latest
- ASTM D2572-19
- Scope
The percent NCO is used to establish unit ratios for stoichiometric reactions with co-reactants.
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.
ASTM D2572-97(2010) Referenced Document
- ASTM D841 Standard Specification for Nitration Grade Toluene
ASTM D2572-97(2010) history
- 2019 ASTM D2572-19 Standard Test Method for Isocyanate Groups in Urethane Materials or Prepolymers
- 1997 ASTM D2572-97(2010) Standard Test Method for Isocyanate Groups in Urethane Materials or Prepolymers
- 2003 ASTM D2572-97(2003)e1 Standard Test Method for Isocyanate Groups in Urethane Materials or Prepolymers
- 1997 ASTM D2572-97 Standard Test Method for Isocyanate Groups in Urethane Materials or Prepolymers
