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® TM-50 is an alkaline, aqueous colloidal silica that contains 50% anionic silica particles stabilized with sodium ions. The particle size of LUDOX® TM-50 and the high concentration of silica make it an excellent choice for surface modification applications. It is commonly used in paper and textile coatings to increase friction and reduce slip. It can also be used to deluster a coating due to its particle size. In addition, LUDOX® TM-50 can be used as an abrasive in polishing slurries used for the manufacture of silicon wafers and other delicate electronics. In functional coating applications where optical clarity is not a concern LUDOX® TM-50 can be used to prevent blocking of dried films.
Density (g/cm³, lb/gal): 1.4, 11.6
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: Sodium
Particle Charge: Negative
Biocide ppm: 500
Primary Chemistry: Colloidal Silica
Outstanding surface modification properties
Intermediate particle size with high silica content
Ultra high purity. Ideal for use in sensitive polishing applications.
High temperature stability
Vacuum formed refractory shapes
Caulks and Sealants
Adhesives
Floor coatings
Surface polishing
Functional coatings
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.
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