Polyphenylene sulfide (PPS) is a high-performance semi-crystalline thermoplastic known for its outstanding chemical resistance, thermal stability, and dimensional precision. Naturally flame-retardant, stiff, and durable, PPS is often reinforced with glass fibers for the most demanding industrial conditions.Polyphenylene sulfide (PPS) is a high-performance semi-crystalline thermoplastic known for its outstanding chemical resistance, thermal stability, and dimensional precision. Naturally flame-retardant, stiff, and durable, PPS is often reinforced with glass fibers for the most demanding industrial conditions.
• Automotive: Engine parts, fuel system components, connectors, valves, pumps, sensor modules—exposed to heat and chemicals.
• Electronics: Switch elements, connectors, coils, relay housings, and high
• temperature insulators.
• Industrial equipment: Chemical processing parts, seals, pumps, valves for corrosive environments.
• Home appliances: Internal parts in steam cleaners, heating elements, and coffee makers.
• Aerospace and rail: Structural parts and insulators needing high flame resistance and long
• term mechanical stability.
• Exceptional chemical resistance: Withstands almost all chemicals, including strong acids, bases, solvents, fuels, and oils—even at elevated temperatures.
• High heat resistance: Continuous use at ~220 °C, short
• term up to 260 °C.
• Flame retardant: Naturally UL94 V
• rated without additives.
• Dimensional stability: Minimal moisture absorption and thermal expansion.
• Mechanical strength: Excellent stiffness and strength, especially in reinforced grades (e.g., PPS GF40).
• Brittle without reinforcement: Unfilled PPS is fragile; most applications require reinforcement.
• Demanding processing: Requires precise drying and high processing temperatures to prevent degradation.
• Higher cost: More expensive than conventional engineering plastics.
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