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Item | Index |
Appearance | White flowing powder |
Apparent density,g/m3 | 0.4-0.5 |
Particle size (40-mesh standard sieve pass rate)(%) | ≥ 98 |
Volatile matter ( % ) | ≤ 1.5 |
Intrinsic viscosity ( η ) | 5.0—6.0 |





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