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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
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Arnitel® EM740

Technical Datasheet | Supplied by DSM
Arnitel® EM740 by DSM is a high-performance, impact modified thermoplastic co-polyester (TPC) grade. It is suitable for processing by extrusion. Possesses flexibility, strength, excellent processing characteristics, excellent mechanical properties, excellent elasticity, good resistance in heat aging tests and permeability to water vapor. Shows high temperature-, thermal-, UV-, fungus- and fatigue resistance. Offers chemical resistance against household chemicals like cleaning agents, sunscreen lotion and automotive greases and oils. Shows very low oxygen permeability combined with very high carbon dioxide permeability for usage in fruit and vegetable film packaging. Arnitel® EM740 can withstand very high burst pressures and retains its properties better at higher temperatures than PA 12. Used in building & construction, sports & leisure. Meets ISO 18064 for TPC-ET. Complies with RoHS.
Product Type
Polyester TPE > COPE
Physical Form
Product Status
Geographical Availability
Central and Eastern Europe, Western Europe
Applications/ Recommended for
  • Sports & Leisures
  • Buildings & constructions
  • Extrusion
Labels/Agency Rating
RoHS Compliant ISO 18064 TPC-ET
Key Features
  • Chemical resistance, Good
  • Elasticity, High
  • Fatigue Resistant
  • Flexibility, Good
  • Heat Aging Resistance, Good
  • Impact modified
  • Processability, Good
  • Strength, Good
  • UV Resistance, Good
  • Heat Resistance, High
  • Thermal Stability, Good
  • Fungus Resistance

Arnitel® EM740 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Melt Volume-Flow Rate (MVR)
4 cm³/10 min
(230°C/2.16 kg)
ISO 1133
Water Absorption
0.6 %
( )
ISO 62
Humidity Absorption
0.15 %
( )
ISO 62

Arnitel® EM740 Processing Guidelines

Extrusion Properties

Value & Unit
Test Condition
Test Method
Drying Temperature
90 - 105 °C
Tip Temperature
230 °C
Drying Time
3 hr
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