PBT(polybutylene terephthalate)GX134(High-class) Instrinsic viscosity(dL/g): 1.180±0.030

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GX134(High-class)
Instrinsic viscosity(dL/g): 1.180±0.030
Melting point(℃):223.0±2.0
COOH content(mol/t):≤27
Color value(b):4.5±2.0
Color value(L):≥90
Moisture(%):≤0.40
Ash content(mg/kg):≤300
Hundred-grain weight:M±0.10
Different shape chip(%):≤200
Different color chip(PCS/500g): ≤0.3