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Plastics & Elastomers
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Arnitel® PL420-H

Technical Datasheet | Supplied by DSM
Arnitel® PL420-H is a high-performance, impact modified and heat stabilized thermoplastic co-polyester (TPC) grade by DSM. It is suitable for processing by injection molding. 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. Provides very low oxygen permeability combined with very high carbon dioxide permeability for usage in fruit and vegetable film packaging. Arnitel® PL420-H can withstand very high burst pressures and retains its properties better at higher temperatures than PA12. Used in body plugs for automotive applications. 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
  • Automotive
  • Injection molding - thermoplastics
Labels/Agency Rating
ISO 18064 TPC-ET
Key Features
  • Strength, Good
  • Heat Resistance, High
  • Heat stabilized
  • Flexibility, Good
  • Thermal Stability, Good
  • Fatigue Resistant
  • Fungus Resistance
  • Processability, Good
  • Heat Aging Resistance, Good
  • Elasticity, High
  • Impact modified
  • Chemical resistance, Good
  • UV Resistance, Good

Arnitel® PL420-H Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Melt Volume Flow Rate (MVR)
23 cm³/10 min
(230°C/2.16 kg)
ISO 1133
1180 kg/m³
ISO 1183

Arnitel® PL420-H Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Suggested Max Moisture
0.05 %
Center Temperature
200 - 220 °C
Processing (Melt) Temp
230 - 250 °C

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