ASTM-D4889 Historical Revision Information
Standard Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Crude or Modified Isocyanates

ASTM-D4889 - 1993 EDITION - SUPERSEDED
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Standard Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Crude or Modified Isocyanates
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Scope

1.1 These test methods determine the viscosity of crude or modified iso cyanates. It is applicable to products derived from toluene di iso cyanate, methylene-bis-(4-phenyl iso cyanate), and polymethylene polyphenyl iso cyanates. (See Note

1.)

1.2 This standard does not purport to address all of the safety problems, 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 hazards statements see Note 2 and 10.5.

Note 1-There is no equivalent ISO standard.

Keywords

Isocyanates; Methylene-bis-(4-phenylisocyanate); Polymethylene polyphenylisocyanate; Toluene diisocyanate; Urethanes-polyurethane raw materials (isocyanates); viscosity of crude/modified isocyanates, test,; Viscosity-plast; crude/modified isocyanates, test; ICS Number Code 83.040.30 (Auxiliary materials and additives for plast); 83.080.20 (Thermoplastic materials)

To find similar documents by ASTM Volume:

08.02 (Plastics (II): D3222 - D5083)

08.03 (Plastics (III): D5117 - latest; Reinforced Plastic Piping Systems and Chemical Equipment; Plastic Building Products)

To find similar documents by classification:

83.040.30 (Auxiliary materials and additives for plastics Including fillers, extenders, hardeners, pigments, plasticizers, etc.)

83.080.20 (Thermoplastic materials)

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Document Number

ASTM-D4889-93

Revision Level

1993 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

Aug. 15, 1993

Document Type

Test Method

Page Count

2 pages

Committee Number

D20.22