PVC-O, aha ndị China nke PVC dabeere na biaxial, bụ mgbanwe ọhụrụ nke ụdị ọkpọkọ PVC. Emere ya na ọkpọkọ site na teknụzụ nhazi nghazi pụrụ iche. Ọkụ PVC-U nke usoro extrusion mepụtara bụ axial na radial na-agbatị, nke mere na a na-ahazi mkpụrụ ndụ ogologo ogologo PVC n'ime ọkpọkọ n'usoro biaxial, yana ụdị ọkpọkọ PVC ọhụrụ nwere nnukwu ike, ike siri ike, nguzogide mmetụta na ike ọgwụgwụ. a na -enweta nguzogide.