Glass Crash Form PVAC
This type of pvac is used to melt in sheet gumbase. The form will help melting in the mixture.
妮秦集团是一家专业研发和制造用于 SMC/BMC、拉挤成型、粘合剂、口香糖基础材料的聚醋酸乙烯酯 PVAC 固体树脂...