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Plastics & Elastomers
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Technical Datasheet | Supplied by Toray
TORELINA™ A604WR by Toray is a linear polyphenylene sulfide (PPS) grade reinforced with 40% glass fiber. TORELINA™ A604WR meets global regulatory standards for Water (NSF61) and Food Use (FDA) + regional regulations listed in Labels/Agency Ratings below. TORELINA™ A604WR offers low impurity, high toughness, excellent heat resistance, good physical strength, excellent fluidity, good flame retardancy, excellent chemical resistance and outstanding dimensional stability. It can be processed using injection molding. TORELINA™ A604WR is designed for use in hot water management applications for brass replacement, switches, connectors and other electronic and electric components, alternators and other automobile components and in office equipment components including chassis parts and housings.
Product Type
PPS (Polyphenylene Sulfide) > PPS, Linear
Natural, Black, Gray
Product Status
Applications/ Recommended for
  • Automotive > Lighting - Housings
  • Automotive > Structural - Chassis component
  • Electrical markets > Connectors
  • Electrical markets > Switches
  • Electronics / Computers
  • Injection molding - thermoplastics
Labels/Agency Rating
Water: NSF ANSI61 (US), WRAS(UK), KTW (DE), W270 (DE), ACS (FR)
Food: FDA (USA), EU10/2011(Europe)
UL 94 V-0
Key Features
  • Filled, Glass Fiber
  • Strength, Good
  • Flow, High
  • Dimensional stability, Good
  • Heat Resistance, High
  • Flame resistance, Good
  • Chemical resistance, Good

TORELINA™ A604WR Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Water Absorption
0.02 %
(At 23°C, 24 hr)
ISO 62
Bar Flow
120 ×10-3m
(At 320°C, 98 MPa, 1 mm)
Toray Method
1660 kg/m³
(At 23°C)
ISO 1183

TORELINA™ A604WR Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Drying Temperature, Dehumidified Air Dryer
130 °C
Drying Time
3 - 4 hr
Cylinder Temperature
310 - 330 °C

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