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1.1 This test method covers the determination of methyl groups (that is, comonomer content) in polyethylenes by infrared spectrophotometry. The test method is applicable to copolymers of ethylene with 1-butene, 1-hexene, or 1-octene having densities above 900 kg/m3. High-pressure low-density polyethylenes (LDPE) and terpolymers are excluded.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 19.100 : Non-destructive testing
83.080.20 : Thermoplastic materials |
| Number of pages | 4 |
| Replace | ASTM D6645-01(2010) |
| Set | ASTMVOL0803 |
| Year | 2018 |
| Document history | ASTM D6645-01(2010) |
| Country | USA |
| Keyword | ASTM 6645;ASTM D6645;ASTM D6645;10.1520/D6645-18 |