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Plastics & Elastomers
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Plastics & Elastomers
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Witcom POM-C-EC-E-ST

Technical Datasheet | Supplied by Witcom
Witcom POM-C-EC-E-ST by Witcom is an electrically conductive, impact modified polyoxymethylene (POM) copolymer grade. Offers low density, improved reliability, good corrosion resistance and cost-effectiveness. Witcom POM-C-EC-E-ST is suitable for processing by injection molding and extrusion. 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).
Product Type
POM (Polyacetal, Polyoxymethylene) > POM Coppolymer
Product Status
Applications/ Recommended for
  • Electronics / Computers
  • Engineering / manufacturing > Belts, conveyors
  • Engineering / manufacturing > Fans
  • Automotive > Fuel systems - Fuel tank
  • Automotive > Under the hood - Filters (air, oil...)
  • Electrical markets
  • Extrusion
  • Injection molding - thermoplastics

Witcom POM-C-EC-E-ST Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Water Absorption
0.8 %
(at saturation, 23°C)
ISO 62
Humidity Absorption
0.2 %
(23°C/ 50% R.H)
ISO 62
Linear Mold Shrinkage
1.5 - 2.3 %
(Flow, 3 mm)
ISO 2577

Witcom POM-C-EC-E-ST Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Drying Time
2 - 3 hr
Maximum Moisture Content
0.05 %
Melt Temperature
170 - 210 °C
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