KALAR® 5263

KALAR® 5263 by H.B. Fuller is a partially cross-linked butyl rubber compound pelletized for easy handling. It is designed as the starting point product for butyl sealants that require higher modulus and/or superior durability at elevated temperatures. It requires no vulcanization and is readily acceptable in a wide range of solvents. This product extends with high levels of fillers and plasticizers. It is compatible with a wide choice of compounding ingredients. It offers creep- & cold-flow resistance and compounding economy. KALAR® 5263 is used in industrial sealant-, architectural glazing-, automotive windshield tape, and automotive sealant & sound deadening compound. It is suitable for tire sealant, high-strength thermoplastic mastic, weather-proofing sealant tape, hot-melt glazing compounds, solvent release adhesives, caulks and construction adhesives. The shelf life of this grade is 1 year.