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Plastics & Elastomers
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Plastics & Elastomers
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Bakelite® PF 51

Technical Datasheet | Supplied by Hexion
Bakelite® PF 51 by Hexion is a phenolic grade reinforced with cotton fiber and organic filler. Exhibits increased notched impact strength. Designed for processing by compression and injection molding. Bakelite® PF 51 is recommended for contact support power switch, switch covers, magnetic switches, pulleys, tension/ deflection pulleys, covers and handwheels.
Product Type
P or PF (Phenolic / Phenol Formaldehyde Resin)
Product Status
Applications/ Recommended for
  • Engineering / manufacturing
  • Electrical markets > Switches
  • Injection molding- thermosets
  • Conversion of composites & thermosets > Compression molding

Bakelite® PF 51 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
1.42 g/cm³
(At 23°C)
ISO 1183
Apparent density (Molding compound)
0.6 g/cm3
( )
ISO 60
Linear Mold Shrinkage
0.8 %
ISO 2577

Bakelite® PF 51 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Temperature of material
80 - 100 °C
Barrel Temperature - Feed Zone
60 - 75 °C
Barrel Temperature - Nozzle Zone
80 - 100 °C
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