... foaming agent, stabilizers, lubricants, plasticizesfillers Manufacture process:PVC foam board/PVC foam sheet comprises of PVC resin, foaming agent, ... screen,high-grade table surface,and corrosion-proof engineering.5) Flat board for screen printing, Indoor and outdoor signboard for ... for building material and signboard for landscape.6) Base board for picture frame,and insulation for barn and laboratory ...