LUDOX® SM-AS is an ammonium stabilized colloidal silica with 7 nm particle size. It is used as a binder in applications that require extreme temperatures.
LUDOX® SM-AS is an alkaline, aqueous dispersion of synthetic amorphous silica with a particle size of 7 nanometers. The silica particles carry a negative charge and work well to bind positively charged particles. This makes LUDOX® SM-AS an effective binder for ceramics applications. LUDOX® SM-AS is stabilized with ammonium instead of sodium and therefore can be used in ceramic applications requiring extreme temperature resistance. LUDOX® SM-AS can also be used as a cross linker and adhesion promoter in coatings and adhesives to improve durability, heat resistance, and adhesion to metal and glass surfaces. The electrostatic nature of LUDOX® SM-AS also makes it an efficient flocculant for waste water treatment and papermaking applications.
Density (g/cm³, lb/gal): 1.16, 9.7
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: Ammonium
Particle Charge: Negative
Primary Chemistry: Colloidal Silica
Anionic particles
Very small particle size / high surface area
Narrow particle size distribution
Strong bond strength and stability in most applications
Low sodium levels
Fugitive counter ion
Paper and film coatings
Industrial water-based coatings
Latex coatings
Electrical steel inorganic coatings
Brick coatings
Catalyst formulations
Molecular sieves
Vacuum formed refractories
Precision investment casting
Adhesives
Caulks and sealants
Elastomeric foams
LUDOX® Colloidal Silica is used in a wide range of processes to improve the and resiliency of building materials. Formulating LUDOX™ into concrete, coatings, adhesives, and sealants increases productivity and reduces cost while boosting the strength and consistency of the end product.
Read ArticleThanks for your inquiry and interest in ChemPoint. We will respond to you shortly.
Privacy PolicyChemPoint will not under any circumstances release personal user or registrant information to individuals or companies. All information collection is solely used to support ChemPoint customer service and communications. Read our Privacy Notice
Thank you for your inquiry and interest in ChemPoint.
We will respond to you shortly.
.png)
Hi, let us know if you have any questions as you visit our website.
