Na'ura ta musamman ce ke saƙa da babban kayan da aka yanke ta hanyar haɓakar ƙirar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta ta polyethylene da sauran zaruruwan masana'antu (kamar wayar ƙarfe ko fiber gilashi).Yana yana da halaye na babban ƙarfi, high modules, haske nauyi, low elongation a karya, sa juriya, yanke juriya, tasiri juriya, sinadarai juriya juriya, da kyau inji Properties.