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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Non-hazardous, low hydroxy, low viscosity catalyst. Trimerisation catalyst for rigid PIR foam. Can be used on continuous machines, or in rigid PIR block foam production.