ASTM-D2572 › Standard Test Method for Isocyanate Groups in Urethane Materials or Prepolymers

ASTM-D2572 - 2019 EDITION - CURRENT
Show Complete Document History

Document Center Inc. is an authorized dealer of ASTM standards.
The following bibliographic material is provided to assist you with your purchasing decision:

Standard Test Method for Isocyanate Groups in Urethane Materials or Prepolymers
ORDER

Price:

$61.00        


Want this as a site license?

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 8.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Significance and Use

4.1 The percent NCO is used to establish unit ratios for stoichiometric reactions with co-reactants.

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;

To find similar documents by ASTM Volume:

06.03 (Paint -- Pigments, Drying Oils, Polymers, Resins, Naval Stores, Cellulosic Esters, and Ink Vehicles)

To find similar documents by classification:

71.080.99 (Other organic chemicals)

This document comes with our free Notification Service, good for the life of the document.

This document is available in either Paper or PDF format.

 

Customers who bought this document also bought:

IPC-A-610
Acceptability of Electronic Assemblies (Hardcopy format)

MIL-STD-883
Microcircuits

NAS-410
NAS Certification and Qualification of Nondestructive Test Personnel

Document Number

ASTM-D2572-19

Revision Level

2019 EDITION

Status

Current

Modification Type

Reinstated

Publication Date

Oct. 1, 2019

Document Type

Test Method

Page Count

2 pages

Committee Number

D01.33