Hoʻohana nui ʻia ʻo Butyl rubber i ka sealant plastic, adhesive, coating, sealing belt, plug electrical, inner tube, industrial product and pharmaceutical bottle stopper, ʻoi aku hoʻi no ka pahu i loko, capsule, liner i loko, sidewall, hose, hale hale wai, anti-corrosion. huahana, huahana uila, kāʻei conveyor pale wela, etc.