Product Information Butyl in barrels material: butyl rubber (polyisobutylene) Butyl is available in different qualities, depending on the application area. Butyl is used in many industries such as construction, insulating glass, automotive, vehicle construction and many more. Due to its outstanding characteristics such as resistance to water vapour and UV, long-lasting sealing and adhesive properties, compatibility with a large range of construction materials, Butyl is an excellent sealant with high durability. Butyl in barrels is suitable for processing in barrel melting plants. Home