- For Use in Manufacturing Insulating Glass Units
This CRL Polyisobutylene is used as the primary vapor seal in dual sealed insulating glass units. CRL Polyisobutylene Slugs are made under the highest quality control conditions possible. With 100% solids content, it's compatible with any secondary seal. Primarily used in conjunction with CRL Insulating Glass Silicone, PIB adheres to glass and metal, and resists water, ozone and ultraviolet light.