How to communicate with Chinese injection mold suppliers?

Rotational Molding Roof for Buildings Technically, there's no doubt that roof structures — large, small and modular (small units to cover larger areas — CAN benefit from a twin-wall construction afforded by rotational molding, as the ... Plastic materials being used in automotive industry In the automotive industry the requirement of using recycled plastics material is encouraged by European directives. In fact, particularly in the polyolefin sector large amounts of regrind materials ... Galvanic corrosion in a steel mold base I assumed that it is plain tap water and serves to heat and possibly cool the mold. I introduced the possibility of using an automotive coolant and here it would be a heating fluid. Certainly pH ... Maintain injection mold cavity surface temp 200 degree C I have processed many materials at these temperatures. You must make sure the plastic itself is at the right injection temperature and the time sequence is not too slow for opening and closing the ... How to define the viscosity curve of injection molding? 1) Set the melt temperature in middle of range a described by manufacture. 2) Set all the holding phase parameter to zero. This means only injection no holding. 3) Set the Injection pressure to ...