ASTM-D4877 2014(Redline)

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D4877-14 Standard Test Method for Polyurethane Raw Materials: Determination of APHA Color in Isocyanates (Redline)

Published By	Publication Date	Number of Pages
ASTM	2014	4

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Description

1.1 This test method measures the color of clear liquids. It is applicable only to materials whose color-producing bodies have light-absorption characteristics similar to those of the platinum cobalt color standards used.2 (See Test Method D1209 and Note 1.) Suitable isocyanates include toluene diisocyanate, and pure or modified monomeric methylene di(phenylisocyanate).

1.2 The values stated in SI units are to be regarded as 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 and health practices and determine the applicability of regulatory limitations prior to use.

Note 1: This standard is equivalent to ISO 6271-1:2004.

Additional information

Standard Title	D4877-14 Standard Test Method for Polyurethane Raw Materials: Determination of APHA Color in Isocyanates (Redline)
Published Code	ASTM
Publication Date	2014
Pages Count	4

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ASTM-D4877 2014(Redline)

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