KALENE Liquid Butyl Rubber
The Kalene products are low-molecular-weight liquid polymers of butyl rubber and no solvents. They provide gas impermeability, chemical resistance, moisture resistance, and good electrical properties.
Typical Applications
The Kalene products impart the performance benefits of butyl rubber and provide the processing convenience of a liquid. They make convenient bases for sealants, coatings, and adhesives. These coatings have higher solids than those based on butyl rubber because the Kalene products are liquids.
Kalene's butyl properties impart chemical resistance to a wide variety of sealants and adhesives. Underwater marine and roof coatings take advantage of the resistance to salt and fresh water. Such applications as tank linings and coatings utilize the chemical and moisture resistant properties.
The Kalene products provide tack to pressure sensitive adhesives and they improve the adhesion of butyl-based adhesives and sealants. They also act as reactive plasticizers for conventional butyl to improve compounding efficiency. Since they cure by the same mechanism as butyl rubber, they become part of the polymer matrix. They are non-fugitive.
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