ASTM-D4890 2013

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D4890-13 Standard Test Methods for Polyurethane Raw Materials: Determination of Gardner and APHA Color of Polyols

Published By	Publication Date	Number of Pages
ASTM	2013	5

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Categories: 83.040.30 - Auxiliary materials and additives for plastics, 83.080.20 - Thermoplastic materials, ASTM

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Description

1.1 These test methods measure visually the color of clear polyester and polyether liquids. They apply only to materials whose colors have light-absorption characteristics similar to those of the standards. An alternative method is Test Method D1209 (see Note 1 ).

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

Note 1 Test Method A of this standard is equivalent to ISO?6271-1 . Test Method B of this standard is equivalent to ISO 4630-1 .

Additional information

Standard Title	D4890-13 Standard Test Methods for Polyurethane Raw Materials: Determination of Gardner and APHA Color of Polyols
Published Code	ASTM
Publication Date	2013
Pages Count	5
ICS Codes	83.040.30 - Auxiliary materials and additives for plastics 83.080.20 - Thermoplastic materials

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ASTM-D4890 2013

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