PPS plastics (polyphenylene sulfide)
Specific gravity: 1.36g/cm3, molding shrinkage: 0.7%, molding temperature: 300-330 ℃. It is a kind of thermoplastic special engineering plastics with excellent comprehensive properties. Its outstanding characteristics are high temperature resistance, corrosion resistance and superior mechanical properties.
Special plastics manufacturers
PPS plastics
Basic performance
PPS, as a kind of special plastic, has good corrosion resistance and radiation resistance under long-term environment. The brittleness of PPS is obvious, which limits its application. Therefore, it is necessary to toughen PPS. The literature shows that the toughness of PPS can be improved to some extent by blending PA66, but the strength is still not ideal. GF is often used to improve the strength of polymers, which is an economical and efficient reinforcing material.
physical property
Special plastics manufacturers
1. Electrical insulation (especially high frequency insulation) is excellent, white hard and brittle, falling on the ground with metal noise, light transmittance second only to plexiglass, coloration, water resistance, good chemical stability. It has excellent flame retardancy and is non combustible plastic.
2. It is not resistant to benzene, gasoline and other organic solvents; its long-term service temperature can reach 260 ℃, and it is stable in 400 ℃ air or nitrogen. By adding glass fiber or other reinforced materials, the impact strength, heat resistance and other mechanical properties can be greatly improved. The density can be increased to 1.6-1.9, and the molding shrinkage rate can be reduced to 0.15-0.25%. It is suitable for making heat-resistant parts, insulating parts, chemical instruments, optical instruments and other parts
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