Iteyiphu yedathi, ikwabizwaitheyiphu yedada, lilaphu- okanye iteyiphu exhasa uxinzelelo, edla ngokugqunywa ngepolyethylene.Kukho iintlobo ngeentlobo zolwakhiwo olusebenzisa ii-backings ezahlukeneyo kunye nezinto ezincamathelayo, kwaye igama elithi 'iteyiphu yokuncamathela' lidla ngokusetyenziswa ukubhekisa kuzo zonke iintlobo zeeteyiphu zelaphu ezahlukeneyo ezineenjongo ezahlukeneyo.