I am engaged in the development of new color masterbatch products, focusing on the remedy of defects in plastic processing technology and developing some new functional color masterbatch (I have no commission after sale)! !
I suggest you check from the following aspects: PC shrinkage is rare. In this case, you can consider changing PC brand, mold temperature and injection pressure. com？ If you consider everything: Is the raw material dry (this is the most important thing)? Whether the injection temperature, cavity design and mold runner design are reasonable, and whether the toner structure will shrink if it is changed to other colors? ), PC brand (mainly considering its molecular weight and molecular weight distribution, some PC materials have poor dimensional stability.