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Plastics & Elastomers
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Arnite® TV4 441

Technical Datasheet | Supplied by DSM
Arnite® TV4 441 by DSM is a polybutylene terephthalate and polyethylene terephthalate alloy (PBT + PET) reinforced with 20% glass fiber. Is suitable for processing by injection molding. Offers durability, excellent dimensional stability, high thermal and oxidative stability, good color-stability, high stiffness, good wear resistance, low coefficient of friction and low moisture absorption. Arnite® TV4 441 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 + PET
Physical Form
Product Status
Geographical Availability
Central and Eastern Europe, Western Europe
Applications/ Recommended for
Injection molding - thermoplastics
Labels/Agency Rating
ISO 1043 (PBT+PET)
Key Features
  • Acid Resistant
  • Base Resistant
  • Color stability, Good
  • Creep Resistance, Good
  • Crystalinity, High
  • Dimensional stability, Good
  • Durable
  • Filled, Glass Fiber
  • Fuel Resistant
  • Grease Resistant
  • Heat Resistance, High
  • Hydrocarbon Resistant
  • Moisture Absorption, Low
  • Oil Resistant
  • Stiffness, High
  • Friction, Low

Arnite® TV4 441 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Impact Strength, Charpy
25 kJ/m²
ISO 179/1eU
Impact Strength, Notched Charpy
7 kJ/m²
ISO 179/1eA
Tensile Modulus
7300 MPa
( )
ISO 527-1/2

Arnite® TV4 441 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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