Polyphenylene Sulfide (PPS)
Category: High-Performance Polymers

Polyphenylene Sulfide (PPS)

Polyphenylene Sulfide (PPS) is a high-performance engineering thermoplastic known for its exceptional chemical resistance, thermal stability, and dimensional accuracy. It's ideal for harsh environment applications.

Technical Specifications

Density
1.34-1.36g/cm³
Melting Point
280-290°C
Tensile Strength
65-85MPa
Flexural Modulus
3500-4000MPa
Izod Impact
2-4kJ/m²
Hdt
260°C

Test Standards:

ISO 1183ISO 527ISO 178ASTM D648

Key Properties

Excellent chemical resistance to acids and bases
High heat resistance (continuous use up to 220°C)
Excellent dimensional stability
Inherent flame retardancy (UL 94 V-0)
Low moisture absorption
Good electrical insulation properties

Typical Applications

Automotive under-the-hood components

Chemical processing equipment

Electrical and electronic components

Industrial pump and valve parts

Aerospace components

Available Grades

1Glass-filled PPS - Enhanced strength
2Mineral-filled PPS - Improved stiffness
3Carbon-filled PPS - Electrical conductivity
4Unfilled PPS - Maximum chemical resistance

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