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Details: TPEE BT-1035D supply 158184656930769-33214396 Long term supply of PP resin and EVA blend.The addition amount of toughening agent can vary from 5% to 20% to obtain different characteristics.In actual production, since the modification of materials usually requires the addition of a variety of additives, the order of feeding is also very important in the process of blending modification, otherwise the mixture cannot achieve the desired effect.
The shrinkage of PA66 is between 1% and 2%, and the addition of glass fiber additive can reduce the shrinkage to 0.2%~1%。The shrinkage rate differs greatly in the flow direction and the direction perpendicular to the flow direction.PA66 is resistant to many solvents, but weak to acids and other chlorinating agents.
PC ‖ raw material: polycarbonate PC ‖ 1010NH is a high-strength transparent PC ‖ material, which is a common material used by product engineers in the design of transparent products. It is often injected into various transparent or translucent parts, which can be used in car lights and other parts.a、Wet raw materials -- dry raw materials
b、Poor exhaust -- improving mold design
3. Discoloration and black spot of resin
a、Accumulation of barrel and nozzle -- cleaning barrel and nozzle
b、The forming temperature is too high -- reduce the forming temperature
4. Product is not full
a、Insufficient plasticization of materials -- increase the temperature of the barrel
b、The mold temperature is too low -- increase the mold temperature
c、Nozzle overflow -- adjust the mold position
POM ☆ The raw material can be used for a long time in the temperature range of - 40 ℃~100 ℃.POM ☆ is very easy to decompose, and the decomposition temperature is 280 ℃. There are irritating and corrosive gases during decomposition.Therefore, the die steel should be made of corrosion-resistant materials.Mechanical properties POM ☆ High strength, rigidity, good elasticity, good wear resistance.
PBT polybutylene terephthalate, also known as polytetramethylene terephthalate.English name;Polybutyleneterephthalate。Abbreviated to PBTPBTP or PTMT, which is the condensation polymer of p-benzoic acid and 1,4-butanediol.It can be prepared by transesterification or direct esterification through polycondensation, and the development trend in the future is direct esterification.PBT and PET together are called thermoplastic polyester.
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