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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
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Arnitel® EM400/U

Technical Datasheet | Supplied by DSM
Arnitel® EM400/U by DSM is an unreinforced and non-flame retardant copolyester grade. It exhibits excellent chemical resistance. Arnitel® EM400/U is designed for processing by injection molding and extrusion. The recommended dryers are dehumified dryer and vacuum dryer with N2 purge.
Product Type
Polyester TPE > COPE
Product Status
Applications/ Recommended for
  • Aerospace/ Aircrafts >> Aircraft engine components
  • Extrusion
  • Injection molding - thermoplastics
Key Features
  • Chemical resistance, Good
  • Unfilled

Arnitel® EM400/U Properties

Thermal Properties

Value & Unit
Test Condition
Test Method
Melting Point
195 °C
(At 10°C/min)
ISO 11357-1/-3

Arnitel® EM400/U Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Moisture Content
< 0.05 %
Drying Time
3 - 4 hr
Drying Temperature
100 °C

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