Injection Molded Plastic For LFRT Materials

injection molded plastic for LFRT materials

Product Description                                                                                                     

Product Name	injection molded plastic for LFRT materials
Material	PA66/PA6/PP/PBT/PPS/TPU with long glass/carbon fiber
Color	Customize
Certification	ISO9001, SGS, CTI, ROHS
Mould material	P20/718/738/NAK80/S136
Mould base	LKM Mould Base

rmoplastic resin in LFT has a large viscosity and contains long glass fibers, so  flowability of injection molding is poor. In order to improve  fluidity of  LFT,  method including increasing  gate and  diameter of  runner, increasing  injection-pressure, increasing  temperature of  cylinder and  temperature of  mold, and  dispersibility of  fiber can be improved by  control of  back pressure of  screw. During  injection molded plastic for LFRT materials process,  fibers will be damaged to some extent due to shearing. Fiber breakage can be reduced by adjusting  size of  gate and runner and  associated process conditions.

injection-molded plastic for LFRT materials generally uses an injection-molding machine with a clamping force of more than 100 tons.  cylinder and screw should be treated with wear resistance. If possible, better to use bimetallic carbide steel. In general,  actual injection-volume should be 40%-60% of  machine's maximum injection-capacity.

biggest problem in  whole process of injection molded plastic for LFRT materials is that  appearance is not beautiful.  solution points are  mold temperature and  holding time.

Since  fiber in LFT material is much longer, if  exposure has a great influence on  appearance, it is necessary to increase  mold temperature of  surface and reduce  mold temperature of  back surface, so that  base material PP flows to  appearance surface, and  glass fiber is deposited on  back surface, reby achieving good appearance requirements.

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Welcome to wholesale the high quality injection molded plastic for lfrt materials made in China from our factory. As one of the leading manufacturers and suppliers in China, we are equipped with advanced equipment and technology. Please be free to get the customized products from us.