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Plastics & Elastomers
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Arnitel® HT8027

Technical Datasheet | Supplied by DSM
Arnitel® HT8027 by DSM is a heat resistant thermoplastic copolyester (COPE) grade. Exhibits good flexibility and heat stability. Designed for blow molding and extrusion applications. Used in high temperature flexible air ducts like clean air inlet ducts and hot charged air ducts. It allows weight and cost reduction of upto 50%. Suitable to different connector systems (e.g. HENN). Offers chemical resistance and high heat aging at 180°C for 3000 hours. Provides less potential of leakage, less pressure loss, fast- and easy processing. Arnitel® HT8027 complies with CONEG, RoHS and REACH regulations.
Product Type
Polyester TPE > COPE
Product Status
Applications/ Recommended for
  • Automotive > Under the hood - Filters (air, oil...)
  • Automotive > Under the hood - Flexible tubes
  • Automotive > Under the hood - Hoses
  • Automotive > Under the hood - Ventilation, heating systems
  • Extrusion > Blow molding
Labels/Agency Rating
Key Features
  • Chemical resistance, Good
  • Cost Effective
  • Flexibility, Good
  • Heat Aging Resistance, Good
  • Heat Resistance, Good
  • Heat stabilized
  • Processability, Good

Arnitel® HT8027 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
25 g/10 min
(At 230°C, 10 kg)
ISO 1133
1270 kg/m³
( )
ISO 1183

Arnitel® HT8027 Processing Guidelines

Extrusion Properties

Value & Unit
Test Condition
Test Method
Dew Point
-30 - -40 °C
L/D Ratio
Compression Ratio
2.8 - 3.0

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