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Witcom PS-EC-HI

Technical Datasheet | Supplied by Witcom
Witcom PS-EC-HI by Witcom is an electrically conductive, high impact polystyrene (HIPS) grade. Offers low density, improved reliability, good corrosion resistance and cost-effectiveness. Witcom PS-EC-HI is suitable for processing by injection molding. Possible applications include business machines (such as casings and functional parts for paper transport), automotive industry (such as fuel tank entries & fuel filters), industrial equipment (such as conveyor belt chain links, ventilator fans & gas detection systems) and electrical & electronics industry (such as wafer boats, IC chip trays).
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Product Type
PS or GPPS (Polystyrene) > HIPS
Product Status
COMMERCIAL
Applications/ Recommended for
  • Engineering / manufacturing > Belts, conveyors
  • Electronics / Computers
  • Engineering / manufacturing > Fans
  • Electrical markets
  • Automotive > Fuel systems - Fuel tank
  • Automotive > Under the hood - Filters (air, oil...)
  • Injection molding - thermoplastics

Witcom PS-EC-HI Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Linear Mold Shrinkage
0.4 - 0.6 %
(Flow, 3 mm) 
ISO 2577
Humidity Absorption
0.1 %
(23°C/ 50% R.H) 
ISO 62
Water Absorption
0.1 %
(at saturation, 23°C) 
ISO 62

Witcom PS-EC-HI Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Mold Temperature
30 - 80 °C
Drying Temperature
80 °C
Melt Temperature
200 - 250 °C
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