Celstran® PBT-GF40-08

Category: PBT , Polybutylene Terephthalate
Manufacturer: Celanese Corporation
Trademark: Celstran®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: qsCufp_CelstranPBTGF4008.pdf
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40% Long Glass Fiber Reinforced PBT
General Information
Filler / Reinforcement
  • Long glass fiber, 40% filler by weight
RoHS Compliance
  • Contact manufacturer
PhysicalNominal ValueUnitTest Method
Density 1.61g/cm³ISO 1183
MechanicalNominal ValueUnitTest Method
Tensile Modulus 13600MPaISO 527-2/1A/1
Tensile Stress (Break)180MPaISO 527-2/1A/5
Tensile Strain (Break)1.9%ISO 527-2/1A/5
Flexural Modulus (23°C)12700MPaISO 178
Flexural Stress (23°C)270MPaISO 178
ImpactNominal ValueUnitTest Method
Charpy Notched Impact Strength (23°C)32kJ/m²ISO 179/1eA
ThermalNominal ValueUnitTest Method
Heat Deflection Temperature
    0.45 MPa, not annealed 226°CISO 75-2/B
    1.8 MPa, not annealed 225°CISO 75-2/A
Linear thermal expansion coefficient ISO 11359-2
    Flow 1.6E-5cm/cm/°CISO 11359-2
    Lateral 8.7E-5cm/cm/°CISO 11359-2
InjectionNominal ValueUnit
Drying Temperature 120 - 140°C
Drying Time 2.0 - 4.0hr
Hopper Temperature 20 - 50°C
Processing (Melt) Temp 280 - 300°C
Mold Temperature 80 - 90°C
Injection instructions
Feed Temperature: 20 to 50°C
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