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Fumed Silica Cabosil Key Product Features and Applications
Fumed silica (also known as white carbon black) plays an important role in numerous applications due to its small particle size, large specific surface area, and strong surface adsorption capacity. It exhibits outstanding performance in thermal and electrical resistance, along with excellent stability, reinforcing properties, thickening properties, and thixotropy.
As an additive, fumed silica is widely used in various industries, including petroleum, chemical, rubber reinforcement, silicone, paints and coatings, adhesives, composite materials, metalworking, high-end cosmetics and spray coating materials, pharmaceuticals, and environmental protection.
Cabot Corporation is a global multinational company specializing in the production of specialty chemicals and materials. Its fumed silica offers consistent quality and a comprehensive range of products, widely used across various industries.
The performance characteristics and application areas of Cabot’s main fumed silica products are summarized below:
CAB0SILLM-150 is a basic fumed silica product with a specific surface area of 150m²/G. Its outstanding features are easy dispersion and good thickening and thixotropic reinforcement functions. It is mainly used in silicone adhesives, nail-free adhesives and power insulators.
CAB0SIL M-5 is a hydrophilic, general-purpose fumed silica product with a specific surface area of 200 m²/g. Its distinguishing feature is its medium surface area. Its balanced dispersibility and thickening and thixotropic properties significantly enhance the viscosity of liquid systems and the free flow of powders. It is widely used in epoxy coatings, inks, paints, adhesives, and silicones.
CAB0SIL MS60 is a unique hydrophilic fumed silica product with a specific surface area of 260m2/G. Its main feature is its good transparency. When added to the system, it significantly improves the system’s tear strength. It is widely used in the high-temperature rubber compounding industry.
CAB0SIL H-300 is a hydrophilic silica with a surface area of 300 m²/g. It exhibits excellent flowability, good dispersibility, and transparency. It is used for silicone rubber reinforcement and to aid flow and prevent settling in epoxy powder coatings.
CAB0SIL CLARUSTM 3160 is the most transparent of Cabot’s hydrophilic fumed silica products, boasting a surface area of 380 m²/g. When well dispersed, it barely reduces the system’s light transmittance. Its high surface area also provides excellent thixotropic anti-settling properties, making it widely used in adhesives requiring high transparency, such as tile caulking agents and genuine porcelain adhesives.
CAB0SIL TS-720 is a highly hydrophobic fumed silica with a surface area of 115 m²/g. Its small surface area allows for excellent dispersibility, significantly improving paint film adhesion while preventing sagging and settling. It is primarily used in applications such as epoxy resin electronic adhesives and epoxy coatings with high polarity.
CAB0SIL TS-610 is hydrophobic with a specific surface area of 125 m²/g. It provides fluidization (free fluidization) in powder coatings, smoothing the coating surface while improving gloss, leveling, anti-sagging, and scratch resistance. It is primarily used in various powder and liquid coatings.
CAB0SIL ULTRABOND is a hydrophobic fumed silica with a surface area of 105-135m²/G. It is a specialty product among Cabot’s fumed silicas and is commonly used in wind turbine membrane adhesives.