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-P is an acidic, 30% aqueous dispersion of surface treated silica with a particle size of 22 nm. Because of its larger particle size LUDOX® CL-P is an efficient surface modifier for paper, corrugated sheets, box-board, liner-board and boxes. In these applications it provides added friction in order to prevent slip. It is also unique in the sense that it is one of a few grades of colloidal silica that has an acidic pH. LUDOX® CL-P can be used in coating application formulations that require additives to be acidic and/or cationic in order to retain dispersion stability.
Density (g/cm³, lb/gal): 1.3, 10.8
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: Chloride
Particle Charge: Positive
Biocide ppm: 25
Primary Chemistry: Colloidal Silica
Positively charged particles
Intermediate Particle Size
Stable in Acidic pH (3-5)
Contains No VOC
Easier to Clean Up
Excellent for Surface Modification
Adheres to Negatively Charged Surfaces
Slipping of paper and films
Telescoping of rolled paper and film
paper manufacturing, Concrete polishing/Densifiers, Ink jet paper
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