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Product name PPS
Material name PPS
Overview Polyphenylene Sulfide (PPS) is a semi-crystalline, high-temperature engineering Its chemical structure consists of para-phenylene aromatic rings linked by sulfide (–S–) bonds, giving it excellent heat and chemical resistance. Typical features of PPS: Melting point around ~280 °C. It is used where standard plastics (like PET, POM) are insufficient, bridging toward higher-performance materials (e.g., PEEK, PAI) but at a more moderate cost. PPS is processed by injection moulding, extrusion or machining of stock shapes, thanks to its good processability for an engineering polymer.
Characteristic
  • Thermal / Mechanical Stability
  • PPS maintains high mechanical strength and dimensional stability even at elevated temperatures.
  • Low coefficient of linear thermal expansion (CLTE) compared to many other engineering plastics.
  • Good creep resistance (i.e., less deformation under longterm load at high temperature) compared to many plastics.
  • Chemical & Moisture Resistance
  • Exceptional chemical resistance: stable to many strong acids, bases, solvents, fuels, oils, even under elevated temperature conditions.
  • Very low water absorption (≈ 0.02% in 24h immersion in some grades) → better stability in humid or wet environments.
  • Electrical & FlameRetardance
  • Good electrical insulation properties: high dielectric strength, high resistivity.
  • Inherent flame retardancy: many PPS compounds pass UL94 V0 without additional flame retardants.
  • Machinability / Processability
  • Available in grades (unfilled, glassfilled, mineralfilled) to tailor properties (mechanical strength, stiffness, dimensional tolerance).
  • Its semicrystalline nature and good dimensional stability make it suitable for precision parts.
Applications Automotive & Aerospace: engine components, housings, connectors, thrust washers, parts that must resist high heat/chemical attack. Electronics & Electrical: connectors, insulators, electronic control modules, sensors, circuit board components where high temperature / flame retardant / precise tolerance is required. Chemical Processing / Industrial Equipment: pumps, valves, fittings, wear-resistant components in corrosive or high-temperature environments. Semiconductor Manufacturing & Precision Machinery: parts for semiconductor production equipment, special grades for tight tolerance / high purity. ensingerplastics.com Others: Bearings, gears, bushings, filters, down-hole oil & gas equipment, etc.
Standard
Sheet unit(mm)
Thickness Width Length
10t ~ 80t 1000 2000
Rod unit(mm)
Thickness Width
20Ø ~ 300Ø 1000

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SERYOU KAGAKU

Address: 478-10, Hirosea, Togane-City, Chibaken, Japan

Email: 81-0475-58-3156

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