Holt-melt butyl and polyisobutylene...
Holt-melt butyl and polyisobutylene IG sealant is a high-viscosity, high-strength, 100% solid classification the PIB-H1 is based onward a PIB polymer formulated to impart reinforcement, resist degradation from ultravoilet light and provide depressed moisture permeability. With its high viscosity formula, PIB-H1 resists shearing in large, heavy lites of glass and
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