The Butyl rabara pepala ndi mphira wapamwamba kwambiri ndi kukana kutentha kwambiri.Lili ndi mpweya wochepa kwambiri komanso chinyezi permeability.Chipepala cha rabara cha Butyl chimagwiritsidwa ntchito m'zinthu zina zambiri, pokhala osasunthika kwambiri ndi mpweya, ozoni, kuwala kwa ultra violet, mankhwala ndi mpweya.
