- For Use in Manufacturing Insulating Glass Units
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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.