Technical datasheet

CAB-O-SIL® TS-530

Supplied byCabot- Last Updated on Apr 2, 2026

CAB-O-SIL® TS-530 by Cabot is a high surface area fumed silica which has been surface-modified with hexamethyldisilazane. The treatment replaces some of the hydroxyls on the surface of the silica resulting in increased hydrophobicity and very different performance than untreated silica. It offers high purity, aggregated structure, submicron particle size, low bulk density and hydrophilic surface chemistry. It provides rheology control, sag resistance, high film build, dispersion improvement, anti-settling of pigments and fillers. CAB-O-SIL® TS-530 is used in HTV and liquid silicone rubber applications.
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CAB-O-SIL® TS-530 properties

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