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LUDOX® TM-50
LUDOX® TM-50 is a dispersion of anionic silica with an average particle size of 22 nm. It is often used as a surface-modifying agent in paper and textile coatings.
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Documents
- Manufacturer: Grace
- Product Line: LUDOX® Monodispersed Colloidal Silica
- Product: LUDOX® Colloidal Silica
- Industries: Adhesives | Agriculture | Building & Construction | Coatings
- Authorized Countries: Canada | United States
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Fulfilled By ChemPoint
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Product Line
Product
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Authorized Countries
Canada
United States
Overview
LUDOX® TM-50 is an alkaline, aqueous colloidal silica containing anionic silica particles in a 50% concentration stabilized with sodium ions. The large particle size of the LUDOX® TM-50 colloidal silica and the high concentration of silica make it an excellent choice for a number of surface modification applications.
For example, the LUDOX® TM-50 colloidal silica is commonly used in paper and textile coatings to increase friction and reduce slip. LUDOX® TM-50 can also be used in functional coating applications to prevent blocking in dried films where optical clarity is not a concern. It can also be used to deluster coatings due to its large particle size. In textile applications, the LUDOX® TM-50 colloidal silica can also reduce luster and prevent seam slippage during cutting and sewing fabric.
Specifications
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
Features & Benefits
- Outstanding surface modification properties
- Large silica particle size and high silica content
- Ultra-high purity
- High temperature stability
- Reduces luster on surfaces
Problems Solved
Seam slippage during production and processing of textiles
Coatings with too much gloss and luster
Blocking of freshly dried paint films
Too low of a coefficient of friction on coatings and other surfaces
Applications
Textiles
Papers
Coatings
Related Applications
Adhesives
Building & Construction
Coatings
Related Chemistries
Related Functions
Adhesives
Agriculture
Building & Construction
Coatings
Related Technologies
FAQs
What is LUDOX® TM-50?
LUDOX® TM-50 is an alkaline, aqueous colloidal silica containing 50% anionic silica particles by weight that are approximately 22 nm in size. The colloid is stabilized with sodium ions. The large particle size of LUDOX® TM-50 and the high concentration of silica make it an excellent choice for a number of surface modification applications.
Where is LUDOX® TM-50 commonly used?
LUDOX® TM-50 colloidal silica is commonly used in paper and textile coatings to increase friction and reduce slip. LUDOX® TM-50 can also be used in functional coating applications to prevent blocking where optical clarity is not a concern. Additionally, it can be used to deluster coatings due to its large particle size. In textile applications, the LUDOX® TM-50 colloidal silica can reduce luster and prevent seam slippage during cutting and sewing fabric.
Why choose LUDOX® TM-50 vs. other LUDOX® grades?
LUDOX® TM-50 has a relatively large particle size and silica concentration compared to the rest of the portfolio. Use LUDOX® TM-50 when surface modifications are prioritized over binding action.
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