Bakelite® PF 51

Category: Phenolic , Phenolic
Manufacturer: Hexion Inc.
Trademark: Bakelite®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: dYwG38_Bakelite-PF-51.pdf
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Product Description
Phenolic moulding compound, organically filled, reinforced with cotton fibres, increased notched impact strength.

Application Areas
Contact support power switch, switch covers, magnetic switches, pulleys, tension/deflection pulleys, covers, handwheels
General Information
Filler / Reinforcement
  • Cotton
  • Organic
Uses
  • Pulleys
  • Switches
Processing Method
  • Compression Molding
  • Injection Molding
PhysicalNominal ValueUnitTest Method
Density (23°C)1.42g/cm³ISO 1183
Apparent Density 0.60g/cm³ISO 60
Molding Shrinkage ISO 2577
    -- 10.45%
    -- 20.80%
Water Absorption - 24h/23C 85.0mgISO 62
Post Shrinkage ISO 2577
    -- 30.50%
    -- 40.55%
Additional InformationNominal ValueUnit
Compression Molding Molding Pressure > 15.0MPa
Compression Molding Temperature 160 to 190°C
HardnessNominal ValueUnitTest Method
Ball Indentation Hardness (H 961/30)280MPaISO 2039-1
MechanicalNominal ValueUnitTest Method
Flexural Modulus 8000MPaISO 178
Flexural Stress 590.0MPaISO 178
Compressive Stress 250MPaISO 604
ImpactNominal ValueUnitTest Method
Charpy Notched Impact Strength (23°C)2.7kJ/m²ISO 179/1eA
Charpy Unnotched Impact Strength (23°C)7.0kJ/m²ISO 179/1eU
ThermalNominal ValueUnitTest Method
Heat Deflection Temperature (8.0 MPa, Unannealed)120°CISO 75-2/C
ElectricalNominal ValueUnitTest Method
Surface Resistivity 1.0E+10ohmsIEC 60093
Volume Resistivity 1.0E+11ohms·cmIEC 60093
Electric Strength 6(1.00 mm)9.5kV/mmIEC 60243-1
Relative Permittivity (100 Hz)16.5IEC 60250
Dissipation Factor (100 Hz)0.25IEC 60250
Comparative Tracking Index (Solution A)125VIEC 60112
InjectionNominal ValueUnit
Rear Temperature 60.0 to 75.0°C
Nozzle Temperature 80.0 to 100°C
Processing (Melt) Temp 80.0 to 100°C
Mold Temperature 160 to 190°C
Injection Pressure > 15.0MPa
Back Pressure 0.500 to 2.00MPa
Note Message
1 .Compression
2 .Injection
3 .Injection
4 .Compression
5 .2.0 mm/min
6 .short term, electrode layout P25mm/P25mm in transformer oil equivalent to IEC 60296
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