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HDK® (Coating ingredients)

Supplied by Wacker
HDK® by Wacker are pyrogenic silica grades that improve the performance and stability of liquid and powder formulations in paints and coatings, optimizing flow properties and free-flow behavior.

Key benefits of HDK® brand include:

  • Enhances formulation stability
  • Improves flow properties of liquids and powders
  • Optimizes rheology and consistency

20 Products match your search

HDK® H20

by Wacker

HDK® H20 by Wacker is synthetic, hydrophobic, amorphous silica, produced via flame hydrolysis. Acts as a thickening, and thixotropic agent in coatings, and printing inks. Possesses high purity. Used as a reinforcing filler in elastomers, mainly silicone-elastomers. HDK® H20 also acts as a free flow additive in the production of powder coatings.
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HDK® H30

by Wacker

HDK® H30 by Wacker is synthetic, hydrophobic, amorphous silica, produced via flame hydrolysis. Acts as a thickening, and thixotropic agent in coatings, and printing inks. Possesses high purity. Used as a reinforcing filler in elastomers, mainly silicone-elastomers. HDK® H30 also acts as a free flow additive in the production of powder coatings.
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HDK® N20D

by Wacker

HDK® N20D by Wacker is a synthetic, hydrophobic, amorphous silica, produced via flame hydrolysis. Acts as a thickening, and thixotropic agent in many organic systems, eg. in unsaturated polyesters, coatings, and printing inks. Possesses high purity. HDK® N20D provides an increased bulk density, a faster incorporation, but a slightly reduced thickening activity.
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HDK® V15

by Wacker

HDK® V15 by Wacker is a high purity, synthetic, hydrophilic amorphous silica. It is a white colloidal powder. HDK® V15 is used as a rheology additive in coatings.
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HDK® H18

by Wacker

HDK® H18 by Wacker is synthetic, hydrophobic amorphous silica. HDK® H18 is used as a thickening and thixotropic agent in coatings especially in vinylester, epoxy and polyurethane systems.
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HDK® N20

by Wacker

HDK® N20 by Wacker is a high purity, synthetic, hydrophobic, amorphous silica, produced via flame hydrolysis. HDK® N20 acts as a thickening and thixotropic agent in many organic systems, eg. in unsaturated polyesters, coatings, and printing inks.
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HDK® S13

by Wacker

HDK® S13 by Wacker is a high purity, synthetic, hydrophilic, amorphous silica. Acts as a thixotropic agent. HDK® S13 is used in coatings, inkjet and printing inks.
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HDK® T30

by Wacker

HDK® T30 by Wacker is a synthetic, hydrophobic, amorphous silica, produced via flame hydrolysis. Acts as a thickening and thixotropic agent. HDK® T30 is used in coatings, lacquers and inkjet.
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HDK® H20RM

by Wacker

HDK® H20RM by Wacker is hydrophobic amorphous silica. HDK® H20RM is used in coatings and printing inks.
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HDK® H30RY

by Wacker

HDK® H30RY by Wacker is a hydrophobic, methacrylic-functional silica. It is a white, amorphous powder of low density and large specific surface area. Can be chemically incorporated into resin networks, enhancing mechanical properties of systems based on vinyl esters, polyesters or acrylates. HDK® H30RY is used in coatings.
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