ASTM D2572-97(2003)e1
Historical Standard: ASTM D2572-97(2003)e1 Standard Test Method for Isocyanate Groups in Urethane Materials or Prepolymers
SUPERSEDED (see Active link, below)
ASTM D2572
1. Scope
1.1 This test method covers the determination of the isocyanate group (NCO) content of a urethane intermediate or prepolymer.
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. For specific hazard statements, see Section 8.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D841 Specification for Nitration Grade Toluene
Keywords
dicyclohexylmethane-4,4-diisocyanate (rMDI); hexamethylene diisocyanate; isophorone diisocyanate (IPDI); polymeric MDI; toluene, 2,4-diisocyanate based intermediate; toluene, 2,4-diisocyanate based prepolymer; urethane intermediate; urethane prepolymer; 2,4-diphenylmethane diisocyanate; 4,4-diphenylmethane diisocyanate; 2,4Diisocyanate based intermediate; Isobutyl alcohol; Isocyanates; Prepolymers; Toluene; Urethane intermediate/prepolymer; Urethanes;
ICS Code
ICS Number Code 71.080.99 (Other organic chemicals)
DOI: 10.1520/D2572-97R03E01
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