PBT(polybutylene terephthalate)
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Post Date:
Jul 04,2025
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Expiry Date:
Jul 04,2026
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Detailed Description:
Payment Method: TT or LC at sight
For optic cable
Product iems:
GL221,GL223,GL236
Characteristics:
Adjustable viscosity.good comprehensive performance
Short tackifying period,good hydrolysis resistance
Easy machining,products made from it has characteristics of good corrosion resistance,low shrinkage and high mechanical properties.
End use:
Optic cable protection sleeve:Applied in telecommunications networks,radion networks,power network.
GL221(High-class)
Instrinsic viscosity(dL/g): 0.980±0.015
Melting point(℃):223.0±2.0
COOH content(mol/t):≤30
Color value(b):4.0±2.0
Color value(L):≥88
Moisture(%):≤0.40
Ash content(mg/kg):≤300
Hundred-grain weight(g):M±0.10
Different shape chip(%):≤0.3
GL221(Qualified)
Instrinsic viscosity(dL/g): 0.980±0.020
Melting point(℃):223.0±3.0
COOH content(mol/t):≤40
Color value(b):4.0±3.0
Color value(L):≥85
Moisture(%):≤0.40
Ash content(mg/kg):≤300
Hundred-grain weight(g):M±0.30
Different shape chip(%):≤0.4
Different color chip(PCS/500g): ≤1.0
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
GL236(Qualified)
Instrinsic viscosity(dL/g): 1.280±0.040
Melting point(℃):223.0±3.0
COOH content(mol/t):≤30
Color value(b):4.5±3.0
Color value(L):≥87
Moisture(%):≤0.40
Ash content(mg/kg):≤300
Hundred-grain weight(g):M±0.30
Powder(mg/kg): ≤200
Different shape chip(%):≤0.4
Different color chip(PCS/500g): ≤1.0
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