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Plastics & Elastomers
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Plastics & Elastomers
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Bakelite® PF 31

Technical Datasheet | Supplied by Hexion
Bakelite® PF 31 by Hexion is a phenolic grade reinforced with organic filler. Designed for processing by compression and injection molding. Recommended for electrical installation material, handle casings (bars), pan handles, operating elements, toaster parts and pistons for braking power energizers, carbon brush holders, lamp casing parts, decor items, ashtrays and screw caps/ large casing moldings. Bakelite® PF 31 complies with UL-94 (V0) and UL-94 (V1) flame rating.
Product Type
P or PF (Phenolic / Phenol Formaldehyde Resin)
All colors
Product Status

Bakelite® PF 31 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
1.42 g/cm³
(At 23°C)
ISO 1183
Apparent density (Molding compound)
0.65 g/cm3
( )
ISO 60
Linear Mold Shrinkage
0.85 %
ISO 2577

Bakelite® PF 31 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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