Na'ura ta musamman ce ke saƙa da babban kayan aikin rigakafin yanke ta hanyar haɓakar haɓakar fiber polyethylene mai nauyin nauyin kwayoyin halitta da sauran zaruruwan masana'antu (kamar waya ta 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.