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Arnite® B604T

Technical Datasheet | Supplied by DSM
Arnite® B604T by DSM is an impact modified polybutylene terephthalate (PBT) grade. It is suitable for processing by injection molding. Offers durability, excellent dimensional stability, high thermal and oxidative stability, high stiffness, low wear-loss, low coefficient of friction and low moisture absorption. Arnite® B604T provides high crystallinity to ensure rapid cooling times, outstanding creep properties and excellent dielectric strength at elevated temperatures. Shows resistance against heat, aliphatic hydrocarbons, motor vehicle fuels, oils and greases, dilute acids and bases, detergents and salt solutions. Meets ISO 1043 for PBT.
Product Type
Polyester > PBT
Product Status
Geographical Availability
Central and Eastern Europe, Western Europe
Applications/ Recommended for
Injection molding - thermoplastics
Labels/Agency Rating
ISO 1043 PBT
Key Features
  • Creep Resistance, Good
  • Hydrocarbon Resistant
  • Acid Resistant
  • Fuel Resistant
  • Moisture Absorption, Low
  • Oil Resistant
  • Heat Resistance, High
  • Durable
  • Base Resistant
  • Grease Resistant
  • Dimensional stability, Good
  • Crystalinity, High
  • Friction, Low
  • Stiffness, High

Arnite® B604T Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Water Absorption
0.4 %
( )
ISO 62
Humidity Absorption
0.15 %
( )
ISO 62
1220 kg/m3
( )
ISO 1183

Arnite® B604T Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Mold Temperature
60 - 100 °C
Center Temperature
230 - 250 °C
Moisture Content
0.02 %

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