JXBHgran cross-linked resin BH-41-IIR pre dispersed masterbatch has the characteristics of high dispersibility, high uniformity, and high stability. It is easy to weigh and has high accuracy, preventing dust pollution. It is a mixture of thermally reactive alkylphenol formaldehyde resin and zinc oxide. Used for vulcanization of butyl rubber, it contains active hydroxymethyl groups that can react with rubber and have good scorch safety.