Fumed silica powder is a highly versatile material widely used in coatings, plastics, rubber, adhesives, inks, and composite materials. Known for its excellent thixotropic properties, anti-caking effects, and ability to improve flow and stability, fumed silica powder has become an essential additive in modern industry. Among the top-quality options, Evonik’s AEROSIL® series stands out for its range of products tailored to different applications.
AEROSIL® 200 Series
AEROSIL® 200 / 200 F / 200 V / 200 HV
These low surface area fumed silica powders offer excellent dispersibility and flowability. They are ideal as thickeners, anti-settling agents, and rheology modifiers. Each variant differs in particle morphology and surface treatment to meet specific processing and performance requirements.
High Surface Area Grades
AEROSIL® 300 / 380
With higher surface areas, these fumed silica powders provide strong thickening and suspension effects. They are commonly used in high-transparency coatings, colloidal dispersions, and high-performance composites, offering superior stability and mechanical performance.
R-Series Hydrophobic Fumed Silica
AEROSIL® R 106 / R 202 / R 812 / R 972 / R 974 / R 8200
These hydrophobic grades have surface treatments to resist moisture and improve flow. They are widely used in plastics, sealants, adhesives, and specialty composites. AEROSIL® R 8200, in particular, is excellent for high-transparency systems, enhancing abrasion resistance and mechanical strength.
Wide-Ranging Applications
Whether in industrial coatings, powder coatings, plastic processing, or adhesives and sealants, fumed silica powder plays a critical role. It improves rheological properties, enhances product stability, and prevents settling, making it indispensable in modern manufacturing and composite materials.
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