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Plastics & Elastomers
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Arnitel® CM620-S

Technical Datasheet | Supplied by DSM
Arnitel® CM620-S by DSM is an unfilled and flame retardant copolyester grade. It exhibits excellent chemical resistance. Arnitel® CM620-S can be processed by injection molding and extrusion. It is suitable for automotive, wire and cable applications. The recommended dryers are dehumified dryer and vacuum dryer with N2 purge.
Product Type
Polyester TPE > COPE
Physical Form
Product Status
Applications/ Recommended for
  • Wiring & Cables > Automotive
  • Aerospace/ Aircrafts >> Aircraft engine components
  • Injection molding - thermoplastics
  • Extrusion
Key Features
  • Chemical resistance, Good
  • Flame retarded
  • Unfilled

Arnitel® CM620-S Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Humidity Absorption
0.1 %
( )
ISO 62
1330 kg/m3
( )
ISO 1183
Melt Volume Flow Rate (MVR)
15 cm3/10min
(At 230°C, 2.16 kg)
ISO 1133

Arnitel® CM620-S Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Moisture Content
< 0.05 %
Dew Point
-30 - -40 °C
Drying Time
3 - 4 hr

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