ASTM D4889-98
Standard Test Methods for Polyurethane Raw Materials Determination of Viscosity of Crude or Modified Isocyanates

Standard No.

ASTM D4889-98

Release Date

1998

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM D4889-04

Latest

ASTM D4889-21

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.

ASTM D4889-98 history

• 2021 ASTM D4889-21 Standard Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Crude or Modified Isocyanates
• 2015 ASTM D4889-15 Standard Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Crude or Modified Isocyanates
• 2004 ASTM D4889-04(2011) Standard Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Crude or Modified Isocyanates
• 2004 ASTM D4889-04 Standard Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Crude or Modified Isocyanates
• 1998 ASTM D4889-98 Standard Test Methods for Polyurethane Raw Materials Determination of Viscosity of Crude or Modified Isocyanates