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Calcite in Adhesive / Sealants Applications :

Wolkem’s Calcite is used in the manufacture of adhesives & sealants as cost effective filler.

Calcite extends extra ordinary results in different Silylated Polyurethane (SPU) Sealants, those are based on different polymers like Silicons, Polycrylates, Polyurethanes and Polysulfides etc. Calcite increases the strength of the Sealant due to its higher specific surface area. This increases tear strength among all finer fillers, this can be loaded at high PHRs. Resulting in significant reduction in polymer demand, GCC also reduces the dispersing time of sealant. GCC increases specific surface area for better mechanical properties and slump resistance leads to general rheological behaviors.

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