Polycarbonate (referred PC) is a polymer molecular chain containing a carbonate group, an ester group according to the structure can be divided into aliphatic, aromatic, aliphatic - aromatic and other types. Which due to the aliphatic and aliphatic - aromatic polycarbonate lower mechanical properties, thereby limiting its application in engineering terms. Currently, only the aromatic polycarbonate obtained industrial production. Due to the special nature of the polycarbonate structure, it has now become the top five fastest growing engineering plastics in general engineering plastics. The main advantages 1, high strength and elastic modulus, high impact strength, wide temperature range; 2, high transparency and freedom of dyeing; 3, forming low shrinkage, good dimensional stability; 4, good fatigue resistance; 5 , good weather resistance; 6, excellent electrical properties; 7, tasteless and odorless harmless in line with health and safety. (Polycarbonate) English name: Polycarbonate Weight: 1.18-1.20 grams / cubic centimeter molding shrinkage: 0.5-0.8% molding temperature: 230-320 ℃ drying conditions: 110-120 ℃ 8 hours at -60 ~ 120 ℃ Long-term use of material properties high impact strength, dimensional stability, colorless, transparent, colored, good electrical insulation properties, corrosion resistance, abrasion resistance PC Thai Bayer AL2647, but poor self-lubricating PC 6487 Bayer Thailand, there is stress cracking tendency, high temperature and easy hydrolysis, poor compatibility with other resins. Instrument for making small parts, pieces of insulating transparent and impact resistant parts forming properties of amorphous material PC, good thermal stability, wide molding temperature range, poor mobility. Moisture is small, but sensitive to water, subject to drying. Molding shrinkage rate is small, prone to cracking and melting stress concentration, thus forming conditions should be strictly controlled, subject to annealing plastic parts. 2. high melting temperature, viscosity, more than 200g of plastic parts, it is appropriate extension of heated nozzles. 3. Cooling fast, die casting system of coarse, short for the principle of PC 6557 Bayer Thailand, cold material should be established well, the gate should be greater, the mold should be heated. 4. Melt temperature is too low will result in lack of material, plastic parts dull, too easy to overflow edge temperature materials, plastic foam. Mold temperature is low shrinkage, elongation, impact strength, flexural, compressive strength, tensile strength, Thailand Bayer PC 3208, PC, provided by the wholesale agent Dongguan Chang Ping Jichang plastic materials. Dongguan Chang-ping Jichang plastic materials (jichang668.1688.com/)(www.POM100.COM) strong, credible, in Dongguan, Guangdong and other engineering plastics industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jichang plastic into the brilliant and you work for a better future!