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Technical Datasheet | Supplied by Toray
TORELINA™ A503-F1 by Toray is a branched polyphenylene sulfide (PPS) grade reinforced with 30% glass fiber. It can be processed using injection molding. Offers excellent heat resistance, flame retardancy, excellent chemical resistance, good physical strength, superb fluidity and outstanding dimensional stability. TORELINA™ A503-F1 is recommended for 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, Branched
Product Status
Applications/ Recommended for
  • Electrical markets > Switches
  • Electronics / Computers
  • Electrical markets > Connectors
  • Automotive > Lighting - Housings
  • Automotive > Structural - Chassis component
  • Injection molding - thermoplastics
Key Features
  • Heat Resistance, High
  • Flow, High
  • Chemical resistance, Good
  • Strength, Good
  • Dimensional stability, Good
  • Flame resistance, Good
  • Filled, Glass Fiber

TORELINA™ A503-F1 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Taber Abrasion resistance
45 mg/1000times
( )
ISO 9352
Coefficient of Friction (COF)
( )
Elongation at Break
1.7 %
(At 23°C)
ISO 527-2

TORELINA™ A503-F1 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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