YUEYI Mold, China experienced 2k mold maker, quality offer 2 component rubber replacement tire mold, multi shot plastic wheel mold, two colour plastic rim wheel tire mold, rotary mold plastic wheels for snapper. 

Injection products color and luster defect cause analysis:

Typically, injection molded products surface gloss is mainly determined by the type of colorant and plastic mold surface finish. But there are also some other reasons causes injection molded products surface color and gloss defects. Causes and solutions for this analysis are as follows:

1. Poor mold finishing, mold cavity has rust and bad air venting, etc
2. Mold injection system is defective. Cold slug well and the main runner should be increasing. And polishing the main runner and gate is needed.
3. Plastic melt and mold temperature is low, partial heating can be considered if necessary
4. Working pressure is too low, too slow, insufficient injection time, lack of back pressure, resulting in poor compactness cause the surface

If you’re still looking for the good bi material mower wheels mold maker in China, we can be your another good choice.

Lucia

lucia@yueyimold.com