bọọdụ ụfụfụ PVC cell mechiri emechi bụ nke PVC co-extrusion bọọdụ, mpempe akwụkwọ PVC gbasawanye nke ọma.Ngwakọta kemịkalụ ya bụ polyvinyl chloride, yabụ a na-akpọkwa ya bọọdụ polyvinyl chloride foam.