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ASTM D4877-19

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ASTM D4877-19

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Standard Test Method for Polyurethane Raw Materials: Determination of APHA Color in Isocyanates
standard by ASTM International, 08/01/2019

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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).

Product Details

Published:
08/01/2019
Number of Pages:
3
File Size:
1 file , 71 KB
Redline File Size:
2 files , 140 KB