Thermoplastic plastic, ABS plastic, commonly used building plastics, etc., several common plastic profiles ABS plastic specific gravity: 1.05 g / cm 3 molding shrinkage: 0.4-0.7% molding temperature: 200-240 ° C drying conditions: 80-90 ° C 2 hours material performance
PP plastic (polypropylene) Specific gravity: 0.9-0.91 g / cm 3 Molding shrinkage: 1.0-2.5% Molding temperature: 160-220 ° C Drying conditions: --- Material properties density is small, strength stiffness, hardness and heat resistance are excellent Used in low-pressure polyethylene, it can be used at about 100 degrees. It has good electrical properties and high-frequency insulation without being affected by humidity, but it becomes brittle at low temperature and is not resistant to mold aging. It is suitable for making general mechanical parts, corrosion-resistant parts and Insulating parts
PS plastic (polystyrene) Specific gravity: 1.05 g / cm 3 Molding shrinkage: 0.6-0.8% Molding temperature: 170-250 ° C Drying conditions: --- Material properties Electrical insulation (especially high frequency insulation) excellent, no Transparent, light transmittance is second only to plexiglass, coloring water resistance, good chemical stability, general strength, but brittle, easy to produce stress cracking, not resistant to organic solvents such as benzene. Gasoline. Suitable for making transparent insulation Parts, decorative parts and chemical instruments, optical instruments and other parts
PPS plastic (polyphenylene sulfide) Specific gravity: 1.36 g / cm 3 Molding shrinkage: 0.7% Molding temperature: 300-330 ° C Drying conditions:
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