Thepa ena e etselitsoe extrusion e potlakileng ea lipolasetiki ho kenyelletsa PVC, PP, PE, le SR-PVC. Haholo-holo e sebelisoa ho extrusion ea BV le BVV mehala ea kaho, mela ea ente ea mebala e 'meli, lithapo tsa motlakase, likhoele tsa khomphutha, likhoele tsa likhoele, likhoele tsa lithapo tsa tšepe, le mela ea likoloi ea mebala e' meli, har'a tse ling.
Rea u amohela ho sampole ea mohala oa poso. Mehala ea tlhahiso e ikhethileng e ka etsoa ho ipapisitsoe le sampole ea terata, sekala sa semela le litlhoko tsa bokhoni ba tlhahiso.