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ltem | WS-501 | WS-502 |
Appearance | Translucent granule | Transparent Liquid |
Powder Mg/kg | ≤ 50 | ≤ 50 |
Moisture % | ≤ 0.4 | ≤ 0.4 |
Ash % | ≤ 0.05 | ≤ 0.05 |
DEG % | 1.5±0.5 | 1.5±0.5 |
L Color | ≥ 80 | ≥ 80 |
b Color | ≤ 0 | ≤ 1 |
Intrinsic Viscosity dL/g | 0.750±0.015 | 0.780±0.015 |
Melting Point ℃ | ≥ M1±2 | ≥ M1±2 |
Carboxyl mol/t | ≤ 35 | ≤ 35 |




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