HJSIL® R110 is a kind of hydrophobic fumed silica, treated with poly-dimethylsiloxane. It’s high purity white colloidal powder.
 
Thickening and thixotropy of complex polar liquids, for example epoxy, polyurethane or vinyl ester resins.
Thickening and thixotropy of cable gels for fiber optic cables.
Anti-settling agent for heavy fillers.

HJSIL® R272 is a kind of hydrophobic fumed silica, treated with DDS (Dimethyldichloro-silane). It’s high purity white colloidal powder.
 
Used as thickening, thixotropic, reinforcement in RTV silicone rubber
Rheology control of adhesive
Used as anti-settling, thickening, anti-sagging agent in coatings, inks
Improvement of free flow and anti-caking characteristics of powders

HJSIL® R274 is a kind of hydrophobic fumed silica, treated with DDS (Dimethyldichloro-silane). It’s high purity white colloidal powder. Reinforcement in elastomer, can effective prevent from structurization and prolong the shelf-life of RTV silicone sealants
High hydrophobicity and stable thixotropy, using in coating and ink can prevent from anti-caking, anti-sagging and anti-thixotrophy
High hydrophobicity and rheology in adhesives and sealants
Improve the homoeneity and stability of pigment
Improve the free flow of power coating and anti-caking

HJSIL® R620 is a kind of hydrophobic fumed silica, treated with HMDS (hexamethyldisilazane). It’s high purity white colloidal powder.
 
Reinforcement of HTV silicone rubber, anti-caking
High hydrophobicity and stable thixotropy, using in coating and ink can prevent from anti-caking, anti-sagging and anti-thixoteopy
Good performance of hydrophobic feature and rheology in adhesives and sealants
Improvement of the free flow of powder coating and anti-caking

HJSIL® R622 is a kind of hydrophobic fumed silica, treated with HMDS (hexamethyldisilazane). It’s high purity white colloidal powder.
 
Reinforcement of HTV silicone rubber, anti-caking
High hydrophobicity and stable thixotropy, using in coating and ink can prevent from anti-caking, anti-sagging and anti-thixoteopy
Good performance of hydrophobic feature and rheology in adhesives and sealants
Improvement of the free flow of powder coating and anti-caking