Polyphenylene sulfide (PPS) is a thermoplasticresin with excellent heatresistance, chemical corrosion resistanceand flame retarding, excellent electricproperty and good dimension stability.Its melting point is much higher thanconventional thermoplastic resins. Itsinitial temperature of thermal decompo- Polyphenylene sulfide (PPS) is a thermoplastic resin with excellent heat resistance, chemical corrosion resistance and flame retarding, excellent electric properties and good dimensional stability. It’s melting point is much higher than conventionally thermoplastic resins. Its initial temperature of thermal decompo-