This PS sheet extruder unit can be made into various sort of packing, such as fast food box, instand noodle bowl,etc. High foaming polystyrene sheet extruder is a kind of most popular 2 stage high foaming slice material production equipment. It takes general polystyrene as raw material, injects foaming agent with high pressure in extruding process, extrudes. From Dies, and forms high foaming ...