Kufotokozera mwachidule:

Tepi ya mphira yokhala ndi mbali imodzi imapangidwa ndi zinthu zophatikizika za polyhexene ndi ulusi ngati maziko oyambira ndikukutidwa ndi mphira wopangira.Lili ndi makhalidwe a mphamvu yoyezera bwino, kumatira koyamba, kulimba kwamphamvu, kutsekemera kwa madzi ndi kutayikira, anti-corrosion ndi kung'ambika kosavuta, etc. Ndi mtundu wa tepi yapamwamba kwambiri.