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ASTM D4877-19 + Redline
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Standard Test Method for Polyurethane Raw Materials: Determination of APHA Color in Isocyanates
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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).
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 71.080.30 : Organic nitrogen compounds
83.040.30 : Auxiliary materials and additives for plastics |
| Number of pages | 3 |
| Replace | ASTM D4877-14 + Redline |
| Year | 2019 |
| Document history | ASTM D4877-14 + Redline ASTM D4877-10 + Redline ASTM D4877-04 + Redline ASTM D4877-98 + Redline |
| Country | USA |
| Keyword | ASTM 4877;ASTM D4877;ASTM D4877;10.1520/D4877-19 |