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1.1 This test method covers the determination of oil in petroleum waxes having a congealing point of 30 °C (86 °F) or higher as determined in accordance with Test Method D938, and containing not more than 15 % of oil.2
Note 1: With some types of waxes, of oil contents greater than 5 %, there may be an incompatibility with MEK resulting in the formation of two liquid phases. If this occurs, the test method is not applicable to the material under test.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 75.140 : Waxes, bituminous materials and other petroleum products |
| Number of pages | 7 |
| Replace | ASTM D721-15 |
| Set | ASTMVOL0501 |
| Year | 2017 |
| Document history | ASTM D721-15 |
| Country | USA |
| Keyword | ASTM 721;ASTM D721;ASTM D721;10.1520/D0721-17 |