Kepex® 3330GB

Category: PBT , Polybutylene Terephthalate
Manufacturer: Korea Engineering Plastics Co., Ltd
Trademark: Kepex®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: nor2Ak_Kepex3330GB.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
Wechat: WECHAT
Message
  • KEPEX 3330GB is a glass bead 30%-filled PBT grade.
  • It has superior dimensional stability, mechanical, thermal, and electrical properties.
  • It is suitable for automotive, electrical & electronics, and industrial parts requiring high stiffness and heat resistance.
General Information
Filler / Reinforcement
  • Glass beads, 30% filler by weight
Features
  • Good dimensional stability
  • Rigidity, high
  • Good electrical performance
  • Heat resistance, high
Uses
  • Electrical/Electronic Applications
  • Industrial components
  • Application in Automobile Field
RoHS Compliance
  • RoHS compliance
Processing Method
  • Injection molding
PhysicalNominal ValueUnitTest Method
Density 1.53g/cm³ISO 1183
shrinkage- Flow (3.00 mm)0.40 - 0.80%Internal method
HardnessNominal ValueUnitTest Method
Rockwell Hardness (R-Scale)117ISO 2039-2
MechanicalNominal ValueUnitTest Method
Tensile Stress 57.0MPaISO 527-2
Tensile Strain (Break)4.0%ISO 527-2
Flexural Modulus 4300MPaISO 178
Flexural Stress 105MPaISO 178
ImpactNominal ValueUnitTest Method
Charpy Notched Impact Strength (23°C)2.3kJ/m²ISO 179/1eA
ThermalNominal ValueUnitTest Method
Heat Deflection Temperature
    0.45 MPa, not annealed 220°CISO 75-2/B
    1.8 MPa, not annealed 210°CISO 75-2/A
Melting Temperature 1220°CISO 11357-3
ElectricalNominal ValueUnitTest Method
Volume Resistivity 1.0E+16ohms·cmIEC 60093
Dielectric Strength 22kV/mmIEC 60243-1
Dielectric Constant (60 Hz)3.40ASTM D150
Dissipation Factor (60 Hz)2.0E-3ASTM D150
FlammabilityNominal ValueUnitTest Method
Flame Rating (0.8 mm)HBUL 94
InjectionNominal ValueUnit
Drying Temperature 120 - 130°C
Drying Time 3.0 - 5.0hr
Suggested Max Moisture 0.050%
Hopper Temperature 60 - 80°C
Rear Temperature 230°C
Middle Temperature 240°C
Front Temperature 250°C
Nozzle Temperature 250°C
Mold Temperature 70 - 90°C
Back Pressure 0.490 - 0.981MPa
Screw Speed 80 - 120rpm
Note Message
1 .10°C/min
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