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1.1 This test method provides an instrumental method for measuring the CIELAB color and Yellowness Index (YI) of liquid polyurethane raw materials. The CIELAB and YI results are derived from mathematical manipulation of CIE tristimulus values in accordance with Practices E308 and E313, respectively.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 83.080.20 : Thermoplastic materials |
| Number of pages | 5 |
| Replace | ASTM D7133-11 |
| Set | ASTMVOL0803 |
| Year | 2016 |
| Document history | ASTM D7133-11 |
| Country | USA |
| Keyword | ASTM 7133;ASTM D7133;ASTM D7133;10.1520/D7133-16 |