Schill+Seilacher was founded in 1877, originally producing chemicals for leather processing. Since then the company has grown to a group of four independently-run companies with different product ranges. Alfa Chemicals represent the silicone additives and catalysts division who produce special chemicals for the polyurethane industry along with rubber processing, foam inhibitors, latex, mineral oils and silicones.

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Like STRUKSILON KOCT 15, this material can be use on continuous machines as well as in rigid PIR block foam product as a trimerisation catalyst however has been designed with a lower viscosity.