PBT(polybutylene terephthalate)GL236(High-class) Instrinsic viscosity(dL/g): 1.280±0.030

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GL236(High-class)
Instrinsic viscosity(dL/g): 1.280±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(g):M±0.10
Powder(mg/kg): ≤200
Different shape chip(%):≤0.3