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Plastics & Elastomers
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Technical Datasheet | Supplied by Toray
TORELINA™ A673MT by Toray is a polyphenylene sulfide thermoplastic resin. It is reinforced with 30% glass fiber. TORELINA™ A673MT meets global regulatory standards for Water (NSF61). It offers elastomeric improvement, high toughness and moist-heat resistance at high temperatures up to 260°C with sustained continuous use at 200°C to 240°C. It exhibits high rigidity, low water-absorption ratio and high flame retardancy. It is recommended for hot water management applications for brass replacement, switches, connectors, electronic & electric components, alternators, automobile components and office equipment components including chassis parts & housings. It provides excellent creep resistance, excellent electrical properties, moldability, excellent fluidity, outstanding chemical resistance, anti-fatigue characteristics and high degree of resistance to acids, alkalis & various organic solvents. TORELINA™ A673MT is suitable for processing by injection molding. It is approved by UL94 V-0 flammability rating.
Product Type
PPS (Polyphenylene Sulfide) > PPS
Product Status
Applications/ Recommended for
  • Automotive > Structural - Chassis component
  • Electrical markets > Connectors
  • Electrical markets > Switches
  • Electronics / Computers
  • Injection molding - thermoplastics
Labels/Agency Rating
UL94 V-0
Key Features
  • Acid Resistant
  • Alkali Resistant
  • Chemical resistance, High
  • Creep Resistance, High
  • Electrical Properties, Good
  • Fatigue Resistant
  • Filled, Glass Fiber
  • Filled, Mineral
  • Flame retarded
  • Flow, High
  • Heat Resistance, Good
  • Moldability, Good
  • Rigidity, High
  • Solvent Resistant
  • Strength, High
  • Toughness, Good
  • Water Absorption, Low to None

TORELINA™ A673MT Properties

Thermal Properties

Value & Unit
Test Condition
Test Method
Melting Point
278 °C
( )
ISO 11357-3
CTE, Linear, Transverse to Flow
3.3 x 10-5/K
( )
ISO 11359-2
CTE, Linear, Parallel to Flow
2.2 x 10-5/K
( )
ISO 11359-2

TORELINA™ A673MT Processing Guidelines

Injection Molding Properties

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