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Plastics & Elastomers
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Plastics & Elastomers
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Arnitel® XG5858

Technical Datasheet | Supplied by DSM
Arnitel® XG5858 by DSM is a high-performance, flame retardant thermoplastic co-polyester (TPC) grade. It can be processed 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. Arnitel® XG5858 shows very low oxygen permeability combined with very high carbon dioxide permeability for usage in fruit and vegetable film packaging. It can withstand very high burst pressures and retains its properties better at higher temperatures than PA12. Used in desktop/PCs. Meets ISO 18064 for TPC-ET.
Product Type
  • Polyester TPE > COPE
  • Polyester [Polyester] > > Co-polyester
Physical Form
Product Status
Geographical Availability
Central and Eastern Europe, Western Europe
Applications/ Recommended for
  • Electronics / Computers > Desktops
  • Extrusion
Labels/Agency Rating
ISO 18064 TPC-ET
Key Features
  • Chemical resistance, Good
  • Strength, Good
  • Heat Resistance, High
  • Fungus Resistance
  • Heat Aging Resistance, Good
  • Thermal Stability, Good
  • Flame retarded
  • Flexibility, Good
  • UV Resistance, Good
  • Fatigue Resistant
  • Elasticity, High
  • Processability, Good

Arnitel® XG5858 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Water Absorption
0.16 %
( )
ISO 62
Humidity Absorption
0.45 %
( )
ISO 62
1100 kg/m³
( )
ISO 1183

Arnitel® XG5858 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Back Pressure
20 - 50 bar
Center Temperature
180 - 200 °C
Front Temperature
190 - 215 °C

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