Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Cabot CAB-O-SIL TS-720 Fumed Silica

Cabot CAB-O-SIL TS-720 is a hydrophobic fumed silica from Cabot’s CAB-O-SIL® series, specially surface-treated with dimethyldichlorosilane for superior thickening, anti-settling, and rheology control in non-polar systems like silicones, adhesives, and coatings. Its low surface area and optimized particle structure deliver excellent dispersion and stability without gelling in solvents.
  • cabot cab o sil ts 720 fumed silica_6fd00bbc
  • cabot cab o sil ts 720 fumed silica_6fd00bbc

Features Of Cabot CAB-O-SIL TS-720 Fumed Silica

  1. Highly effective thickening and rheology control agent for solvent-based and high-solids coatings.

  2. Optimized surface treatment for enhanced compatibility with epoxy, polyurethane, and acrylic resin systems.

  3. Consistent batch-to-batch performance due to stringent manufacturing controls and ultra-low moisture content.

  4. Excellent anti-settling and anti-sag properties in vertical applications without compromising flow or leveling.

  5. Low abrasivity and minimal impact on final film clarity and gloss retention.

Typical Applications Of Cabot CAB-O-SIL TS-720 Fumed Silica

  1. Epoxy floor coatings and industrial maintenance paints.

  2. High-performance polyurethane topcoats for automotive refinish and aerospace primers.

  3. UV-curable inks and coatings requiring precise viscosity management.

  4. Adhesives and sealants where thixotropic behavior and sag resistance are critical.

  5. Electrical insulating varnishes and potting compounds.

Specifications Of Cabot CAB-O-SIL TS-720 Fumed Silica

Chemical TypeFumed silica, surface-treated with dimethyldichlorosilane
Product FormFree-flowing white powder
AppearanceWhite, amorphous, odorless powder
Primary ApplicationsRheology modifier for liquid coatings, adhesives, and sealants
Key FeaturesThixotropic thickener, anti-settling agent, sag inhibitor
BenefitsImproved storage stability, enhanced application performance, reduced sedimentation
Bulk Density (g/cm³)~35–50 (loose)
Surface Area (BET, m²/g)~100–120


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