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PPS

PPS

Polyphenylene Sulfide

Polyphenylene Sulfide (PPS) is a high-performance semi-crystalline thermoplastic offering exceptional thermal stability, dimensional stability, chemical resistance, and inherent flame retardancy. It maintains high strength and rigidity at elevated temperatures.

Typical Grades

ModelModification TypeAdditivesKey Performance IndicatorsMain Application Areas
WL-PPS-GF40-FR40(V0)-HT40% Glass Fiber ReinforcedGlass Fiber, 40%Maintains high strength/rigidity at high temp, Excellent chemical resistance, Inherent FR (V-0), High HDTAutomotive powertrain components (pumps, valves), High-temp E&E connectors/sockets
WL-PPS-GF40-FR40(V0)65% GF/Mineral FilledGlass Fiber, 40%; Mineral Filler, 25%Extremely high rigidity, Excellent dimensional stability (low warpage), High HDT, Inherent FR (V-0), Improved flowPrecision electronic components (coil formers), pump impellers, valve bodies
WL-PPS-GF3030% GF Reinforced (Low Cl/Halogen)Glass Fiber, 30% (Low Halogen)High performance, Low halogen content for sensitive electronic applicationsSensitive electronic components (avoids contact corrosion), sensor parts
WL-PPS-GF30-FR30Wear Resistant Grade (GF+PTFE)Glass Fiber, 30%; PTFE, 10-15%High performance, Low coefficient of friction, Good wear resistance, Inherent FRBearings, bushings, seals, gears, sliding components (high temp/chem env)
WL-PPS-GENImpact Modified (Toughness Improved)Impact Modifier, 5-15%Improved toughness, Reduced brittleness, may sacrifice some rigidity/HDTPPS parts needing some toughness, snap fits, thin-walled parts

Applications

Automotive Powertrain

Automotive Powertrain

Ideal for high-temperature pump and valve components due to heat and chemical resistance.

Electrical/Electronic

Electrical/Electronic

Used for high-temperature connectors, sockets, coil formers, and sensor parts, especially low-halogen grades.

Industrial Components

Industrial Components

Suitable for pump impellers, valve bodies, bearings, bushings, and seals in demanding environments.