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LUDOX® HSA
LUDOX® HSA is a slightly acidic, deionized colloidal silica with a particle size of 12 nm. It's used as a binder in coatings to improve durability.
LUDOX® HSA is an acidic, 30% solids, aqueous dispersion of surface modified silica. LUDOX® HSA is unique in that it contains no stabilizing counter ion. LUDOX® HSA is useful in applications sodium or alkaline components used to stabilize colloidal silica aren't desired. LUDOX® HSA particles have a very high surface area and is excellent at binding metals, siliceous material, oxides, and polymers with reactive functional groups.
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. Coatings with poor durability. Surface is too slippery. Failure of binding resins caused by exposure to high heat.
Applications
LUDOX® HSA can be added to coating formulations and will not interfere with polar solvents in the formulation. The LUDOX® HSA particles remain in the cured coating and improve film durability and anti-blocking properties. Additionally, the particle size of LUDOX® HSA allows for it to be added to coatings without altering the clarity of the dried film.
In adhesive formulations LUDOX® HSA can be used to improve adhesion to metal and glass surfaces.
LUDOX® HSA is very efficient at binding and is often used to bind metals for catalyst applications.
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Thank you
Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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