The most commonly used Plastic material are PBT, PPT, POM, ABS, and LCP. What are the characteristics of these five kinds of plastic material?
PBT is a thermoplastic and is one of the five most widely used engineering plastics. It has the advantages of good strength, heat resistance, low temperature resistance, chemical resistance, low water absorption, good gloss, good electrical properties and easy processing. It can withstand 230 ° C heat temperature, oxidation resistance and comprehensive performance. The disadvantage is molding shrinkage. Large and notched impact strength is low.
PDM, which belongs to the five general engineering plastics as well as PBT, is the hardest plastic material in thermoplastics. Its mechanical properties are one of the closest metal varieties in plastic materials, with low friction coefficient and good Stability, tensile strength, flexural strength, fatigue strength, abrasion resistance and electrical properties are all excellent, but they are susceptible to strong acid corrosion, poor weatherability and poor adhesion.
ABS is a general-purpose plastic, which has the advantages of good rigidity, good impact strength, heat resistance, low temperature resistance, chemical resistance, chemical stability, and good electrical properties. It can withstand 180 ° C heat temperature and has good flexibility.
PPT has excellent electrical properties, good dimensional stability, low friction coefficient, self-lubricating, low water absorption, chemical resistance, oil resistance, and can withstand 160 ° C hot temperature, if used in the production of aviation plug products. Its high temperature resistance can reach 250 ° C, which is higher than that of POM material. Its mechanical properties are stable tensile strength and tensile modulus are similar to nylon.
LCP is a new type of high performance special engineering plastic with good mechanical properties, electrical insulation, optical properties, electrical properties, chemical resistance, flame retardancy, processability, heat resistance.
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