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Calcined Kaolin in Sealants & Adhesives Applications
Polyurethane is used to compound sealants and cures following reaction with moisture. This means that during production and storage, moisture must be minimised to prevent premature curing.
The production process for calcined kaolin, in combination with the low surface hydroxyl content of calcined kaolins leads to a low moisture pick-up, resulting in excellent performance in moisture sensitive (MS) sealant applications. The particle shape of calcined kaolin, a random agglomerate of controlled particle size, makes it effective as a structure building component.
Calcined kaolin has a neutral pH, which allows it to be used in both acid and alkali formulations.
Product Related Literature
Kaolin Portfolio for Adhesives & Sealants [2.95MB]
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