... hauling set, etcProcess is: premixing the PVC resin with fillers, additives, then extrude the mixed ... powder, CaCO3, lubricant, stabilizing agent, titanium pigment, anti-ultraviolet agent, Pigment etcASA granuleDescription final product & Output ... Tile 2.ASA/PMMA + PVC for Roof Tile 3.ASA/PMMA + PVC+PVC for Roof Tile 4. PVC Three-Layer Foaming Roof Tile 5. PVC Common Roof Tile/Transparent Roof ...