The butyl sealant produced by our factory is a one-component, non-curing self-adhesive sealant that is extruded from butyl rubber, polyisobutylene, auxiliary agents and vulcanizing agents through partial vulcanization and high temperature banburying process. , for high temperature 230℃ and low temperature -40℃ tolerance, specially adjust the vulcanization degree and formula process to ensure that the finished product can be stable without cracking or flowing at 200℃.