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LUDOX® HSA is an acidic, 30% solids, aqueous dispersion of surface modified silica. It contains no stabilizing counter ion. LUDOX® HSA is useful in applications such as coatings or catalysts in which sodium or alkaline components aren't desired. It has excellent binding strength and provides coating formulations with added durability and heat resistance. In adhesive formulations it can be used to improve adhesion to metal and glass surfaces. LUDOX® HSA can also be used to add friction to anti-slip surface coatings. Because the particle size is relatively low it will not effect the clarity of the coating. Additionally, LUDOX® HSA can be used to bind metals for catalyst applications.
Product Specifications
Density (g/cm³, lb/gal): 1.2, 10 Boiling Point (760 mm Hg) °C/°F: 100/212 Melting Point °C/°F: 0/32 Vapor Pressure (25°C) mm Hg: 24 Vapor Pressure (38°C) mm Hg: 48 Stabilizing Counter Ion: None Particle Charge: Negative Biocide ppm: 25
Primary Chemistry: Colloidal Silica
Features & Benefits
Anionic particles Small particle size Narrow particle size distribution Deionized High surface area Excellent stability Broad pH stability Low sodium content Compatible with Polar Solvents
Problems Solved
Alkaline colloidal silica isn't compatible with formulation. Coating with poor durability. Coatings that are too slippery.
Applications
Coatings, catalysts, and in combination with polar solvents where alkaline components are not desired.
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