... PPA,PPS, PA6T, LCP,VO fire protection, ferrous power, magnetic powder and etc. Meanwhile,Used for PVC + 30% CaCo3, recylced ... ApplicationPVC plate, pipe, profile, pellet and mould, at the same time,it solved the technical problem of low foaming, high foaming,high filling ... PVC plate, pipe, profile, pellet and mould, at the same time, it solved the technical problem of low foaming, high foaming, high ...