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Plastics & Elastomers
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Plastics & Elastomers
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Witcom PES-BG

Technical Datasheet | Supplied by Witcom
Witcom PES-BG by Witcom is a lubricated polyethersulfone (PESU) grade. Provides low wear and low coefficient of friction. Witcom PES-BG is suitable for processing by injection molding. Recommended for bearing applications.
Product Type
PSU (Polysulfone) > PESU
Product Status
Applications/ Recommended for
Injection molding - thermoplastics

Witcom PES-BG Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
1.52 g/cm3
( )
ISO 1183
Water Absorption
1.6 %
(at saturation, 23°C)
ISO 62
Humidity Absorption
0.5 %
(23°C/ 50% R.H)
ISO 62

Witcom PES-BG Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Drying Temperature
130 - 160 °C
Drying Time
4 - 6 hr
Maximum Moisture Content
0.02 %
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