The material selection platform
Coatings Ingredients
The material selection platform
Coatings Ingredients
by SpecialChem
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Technical Datasheet | Supplied by DKSH
HB-139 distributed by DKSH is a hydrophobic fumed silica with excellent reinforcing properties. It is produced after post chemical treatment with polydimethylsiloxane. Offers thickening and thixotropic properties. Designed for coatings and printing inks. Exhibits good anti-sagging properties and excellent stability in epoxy resin. HB-139 is available in Europe, Asia and North America.
Product Type
  • Fillers / Fibers > Silicas
  • Rheology Modifiers / Thickeners
Chemical Composition
Product Status
Geographical Availability
Asia / Pacific, Central and Eastern Europe, North America, Western Europe
Applications/ Recommended for
  • Coatings
  • Inks

HB-139 Properties


Value & Unit
Test Condition
Test Method
5.5 - 7.5
(4% Dispersion. 1:1 Hp:Ethanol)
GB/T 20020
Loss on Drying
1.5 %
(2hr at 105°C)
GB/T 20020
Ash (Residue on Ignition)
10 %
(2 hr at 1000°C Based on Material Dried for 2 hr at 105°C)
GB/T 20020
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