... , one step pre heating, sealing, oil silicon lubrication, bottom punching, two step bottom heating, knurling, curling and bowl discharge with photo ... -BBowl size20--50oz (mold exchangeable)Raw MaterialOne-side PE(polyethylene) film coated/laminated paperOr two side coatedSuitable paper weight240-300gsmRated Productivity30-35pcs/minPower ...