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By Kok Li Kwang

September 08, 2017

The answer is – it depends. Your Technical Customer Service (TCS) representative can help you decide. Butyl rubber, derived synthetically from petrochemicals, is a copolymer of isobutylene, and to a smaller extent, isoprene. Subsequent halogenation results in a halobutyl rubber – typically bromobutyl or chlorobutyl.