ASTM-D4878 2008

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D4878-08 Standard Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Polyols

Published By	Publication Date	Number of Pages
ASTM	2008	3

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Categories: 83.040.30 - Auxiliary materials and additives for plastics, ASTM

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Description

ASTM D4878-08

Historical Standard: Standard Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Polyols

ASTM D4878

Scope

1.1 These test methods (A and B) determine the viscosity of polyols in the range from 10 to 100 000 mPa·s(cP) at 25°C or at 50°C. Test Method A also applies to more viscous samples that are soluble in n-butyl acetate. Test Method B is simply a reference to a general procedure for kinematic viscosity, D 445. (See Note 1.)

1.2 The values stated in SI units are to be regarded as the standard. Other equivalent units are provided because of current common usage.

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 and health practices and determine the applicability of regulatory limitations prior to use.

Note 1—There is no equivalent ISO standard for Test Method A although ISO 3219 is similar. Test Method B is equivalent to ISO 3104.

Keywords

Brookfield; Cannon-Fenske; polyols; polyurethane raw materials; viscosity; Brookfield viscometer; Cannon-Fonske viscosity; Liquids; Polyurethane raw materials–polyols; Viscosity–plastics

ICS Code

ICS Number Code 83.040.30 (Auxiliary materials and additives for plastics)

DOI: 10.1520/D4878-08

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Significance and Use Sampling Summary of Test Method Apparatus
2	Solvent Preparation of Sample Preparation of Apparatus Choice of Temperature Choice of Spindle and Rotational Speed Procedure TABLE 1
3	Calculation Report Precision and Bias Test Method Keywords

Additional information

Standard Title	D4878-08 Standard Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Polyols
Published Code	ASTM
Publication Date	2008
Pages Count	3
ICS Codes	83.040.30 - Auxiliary materials and additives for plastics