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Aditivos de Superficie Para Flujo y Nivelación Siltech® : SILTECH® C 442


Siltech®®C-442 is a 100% active polyether siloxane copolymer that is primarily used to eliminate cratering and to improve slip.

  • Appearance: Clear liquid
  • Specific gravity at 25°C: 1.00
  • Colour, Gardner: 2 Max
  • Viscosity at 25°C, cps: 2500-3500
  • Solid content: 100%
  • Refractive Index at 25°C: 1.437
  • Diluents: Isopropanol, Butyl Glycol, Butyl Acetate, Xylene.

Siltech®®C-442 is used in solvent-based, water-based and energy curing coatings and ink formulations to eliminate cratering, improve slip, anti-blocking and flow. It also prevents pigment floating and provides mar resistance.

The amount of Siltech®®C-442 used ranges from 0.05-1.0% weight percent based on the total formulation. It can be incorporated at any stage of the production process or added during final let-down.

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