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LUDOX® Colloidal Silica are water-based dispersions of functionalized amorphous silica.  Becasue the chemistry is so versatile it can be used in a variety of applications across many industries including refractories, coatings, electronics, paper making, beverage fining, and adhesives.  To find an appropriate grade for your application let's start with determining the functionality you are looking for.
LUDOX® TMA

LUDOX® TMA is an anionic colloidal silica designed to be stable over a broad pH range. It is used to prepare "hybrid" binders for slurries used in casting.

LUDOX® AM

LUDOX® AM is an aqueous dispersion of silica that has been modified to be stable over a wide pH range. It is used primarily as as a binder & flocculant.

LUDOX® AS-30

LUDOX® AS-30 is an alkaline dispersion of amorphous silica stabilized with Ammonium. It is typically used as a binder in high temperature applications.

LUDOX® HS-30

LUDOX® HS-30 is a colloidal silica with an average particle size of 12 nm particle size. It is used as a binder in casting and ceramics applications.

LUDOX® HS-40

LUDOX® HS-40 is an alkaline colloidal silica that offers a good balance between high binding strength and stability in coating and refractory applications.

LUDOX® CL-P

LUDOX® CL-P is an acidic aqueous dispersion of surface treated silica. It carries a positive surface charge and is used as a frictionizing aid for paper.

LUDOX CL-X

LUDOX® CL-X is an aqueous dispersion of 22 nanometer amorphous silica particles that is used to add friction to paper, linerboard, and corrugated sheets.

LUDOX® AS-40

LUDOX® AS-40 is an alkaline 40% aqueous dispersion of colloidal silica with a particle size of 22 nm. It is stabilized with ammonium and used as a high temp binder and catalyst in a wide range of industrial applications.

LUDOX® CL

LUDOX® CL is an acidic, 30% aqueous dispersion of surface treated silica. It carries a positive surface charge and is used as a surface modifier for paper.

Lithium Polysilicate

Lithium Polysilicate is an aqueous solution of SiO2/Li2O with a high ratio silicate of 4.8. It is commonly used as a concrete hardener.

LUDOX® TM-50

LUDOX® TM-50 is a dispersion of anionic silica with a particle size of 22 nm. It is often used as a frictionizing agent in paper and textile coatings.

LUDOX PW-50 EC

LUDOX® PW-50 EC is an alkaline colloidal silica with low specific surface area. It is used as an abrasive in polishing slurries and as a surface modifier.

LUDOX® DF

LUDOX® DF is an aqueous dispersion of silica with a 12 nm particle size. It is designed to be used in floor coatings to increase friction and reduce slip.

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® SM

LUDOX® SM contains amorphous colloidal silica with a particle size of 7 nm. It is a highly temperature stable binder used in coatings and refractories.

LUDOX® SM-AS

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.

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