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Committed to the original development and import substitution of PPS polyphenylene sulfide


Glass Fiber Reinforced Polyphenylene Sulfide

Product characteristics

PPS-P201X50HT is a 50% glass fiber reinforced polyphenylene sulfide material with high toughness, chemical corrosion resistance and heat resistance.


This product is widely used in automotive, electronic and electrical appliances, chemical equipment, machinery, textile and other industries, making automotive thermostat, pump housing and other cooling system components.

Technical parameters

Physical PropertyunitTesting StandardTest Result
Densityg/cm3ISO 11831.77 
Molding shrinkage-Parallel flow direction%ISO 294-40.3
Molding shrinkage-Vertical flow direction%ISO 294-40.6
Water absorption rate(23℃,24Hrs)%ISO 620.02

Mechanical PropertyunitTesting StandardTest Result
Tensile StrengthMPaISO 527150.0 
Flexural StrengthMPaISO 178240.0 
Flexural ModulusGPaISO 17815.0
Charpy Impact StrengthkJ/m2ISO 17955.0 

Thermal propertyunitTesting StandardTest Result
Melting Point°CISO 11357285.0 
Hot Deformation Temperature(1.8MPa)°CISO 75267.0 
Flame Retardancy

Thermal propertyunitTesting StandardTest Result
Dielectric StrengthkV/mmIEC 6024316.0 
Dielectric Constant
IEC 602504.0 
Dielectric Loss Factor
IEC 602500.002 
Volume ResistivityΩ・cmIEC 600935×1016
Comparative Tracking IndexVIEC 60112150.0 

Injection Molding ConditionsunitReference Value
Drying Tmperature°C130-150
Drying TimeHrs3-4
Heating temperature of cylinder°C290-320
Nozzle Temperature°C300-320
Mold Temperature°C120-150
Injection PressureMpa80-150
Packing Pressure Mpa30-70