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ASTM D2572-97(2003)e1
Standard Test Method for Isocyanate Groups in Urethane Materials or Prepolymers (Includes all amendments And changes 12/31/2010).
Automatically translated name:
Standard Test Method for Isocyanate Groups in Urethane Materials or Prepolymers
STANDARD published on 10.7.2003
The information about the standard:
Designation standards: ASTM D2572-97(2003)e1
Note: WITHDRAWN
Publication date standards: 10.7.2003
SKU: NS-20781
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D2572-97(2003)e1 :
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, ICS Number Code 71.080.99 (Other organic chemicals)
Additional information
| Significance and Use | ||
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The percent NCO is used to establish unit ratios for stoichiometric reactions with co-reactants. |
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| 1. Scope | ||
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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. |
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| 2. Referenced Documents | ||
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