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Arnitel® PB420

Technical Datasheet | Supplied by DSM
Arnitel® PB420 by DSM is a high-performance, impact modified and heat stabilized thermoplastic co-polyester (TPC) grade. It is suitable for processing by blow 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. Shows very low oxygen permeability combined with very high carbon dioxide permeability for usage in fruit and vegetable film packaging. Arnitel® PB420 can withstand very high burst pressures and retains its properties better at higher temperatures than PA 12. Used in boots and bellows in automotive applications. Meets ISO 18064 for TPC-ET.
Product Type
  • Polyester TPE > COPE
  • Polyester [Polyester] > > Co-polyester
Physical Form
Pellets
Product Status
COMMERCIAL
Geographical Availability
Central and Eastern Europe, Western Europe
Applications/ Recommended for
  • Automotive > Under the hood - CVJ Boots
  • Extrusion > Blow molding
Labels/Agency Rating
ISO 18064 TPC-ET
Key Features
  • Chemical resistance, Good
  • Elasticity, High
  • Fatigue Resistant
  • Flexibility, Good
  • Heat Aging Resistance, Good
  • Heat stabilized
  • Impact modified
  • Processability, Good
  • Strength, Good
  • UV Resistance, Good
  • Heat Resistance, High
  • Thermal Stability, Good
  • Fungus Resistance

Arnitel® PB420 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Impact Strength, Notched Charpy
No Break kJ/m²
(At -30°C)
ISO 179/1eA
Impact Strength, Notched Izod
No Break kJ/m²
(At -30°C)
ISO 180/1A
Tensile Modulus
70 MPa
( )
ISO 527-1/2
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