... such as coupling agent,reinforcement agent,anti-UV agent,stabilizing agent,foamimg agent,foaming adjusting agent etc.its made by extruding ... with pvc or ASA coated(anti-fading).2,Two typical types: pvc free foaming,pvc encrusted foaming.3,Its water-proof,anticrash ... ,flame retardant(pass B grade),anti-corrosion,UV-protected,sound ...