Witcom PEI BG

Category: PEI , Polyether Imide
Manufacturer: Witcom Engineering Plastics B.V.
Trademark: Witcom PEI
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: Wkkp3H_Witcom-PEI-BG.pdf
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Bearing grade
General Information
Uses
  • Bearings
PhysicalNominal ValueUnitTest Method
Density 1.42g/cm³ISO 1183
Molding Shrinkage - Flow (3.00 mm)0.20 to 0.40%ISO 2577
Water Absorption ISO 62
    Saturation, 23°C 0.90%
    Equilibrium, 23°C, 50% RH 0.50%
MechanicalNominal ValueUnitTest Method
Tensile Stress (Yield)< 120MPaISO 527-2
Tensile Strain (Break)1.0 to 3.0%ISO 527-2
Flexural Modulus 8000MPaISO 178
Flexural Stress 160MPaISO 178
ImpactNominal ValueUnitTest Method
Notched Izod Impact Strength 5.5kJ/m²ISO 180/1A
Unnotched Izod Impact Strength 25kJ/m²ISO 180/1U
ThermalNominal ValueUnitTest Method
Heat Deflection Temperature (1.8 MPa, Unannealed)210°CISO 75-2/A
CLTE - Flow 2.4E-5cm/cm/°CISO 11359-2
RTI Imp (3.00 mm)170°CUL 746
ElectricalNominal ValueUnitTest Method
Surface Resistivity 1.0E+4 to 1.0E+6ohmsASTM D257
Volume Resistivity 1.0E+4 to 1.0E+6ohms·cmASTM D257
FlammabilityNominal ValueUnitTest Method
Flame Rating (3.00 mm)V-0ISO 1210
Glow Wire Flammability Index (1.60 mm)960°CIEC 60695-2-12
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