How to distinguish the plastic materials of PP PC ABS PVC PA PS SAN POM PMMA
During the development of plastics industrialization, the molecular structure and composition of plastic particles are extremely complex, and there are many types, mainly PP, PC, ASB, PVC, PA, PS, SAN, POM, PMMA, etc., and the color of a single material is transparent and translucent. , Slightly yellow and other colors, it is difficult for the […]