Nouryon Levasil CB25 A Colloidal silica

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Nouryon Levasil CB25 A Colloidal silica
Categories:	Other Engineering Material
Material Notes:	Levasil CB25 A is a neutral, aqueous dispersion of colloidal silica that is approximately 30% solids by weight. The silica dispersion is sodium stabilized and the amorphous silica particles carry a negative surface charge. The silica particles are discrete, have a slightly rough, spherical shape, and are present in a narrow particle size distribution. The particles have also been surface modified with aluminum. The physical appearance of the dispersion is a translucent liquid, slightly more viscous than water. Levasil CB25 A is produced for world-wide distribution. CAS number 7631-86-9 Applications: Levasil CB25 A is a specialty product used primarily in concrete to control stability, segregation and water loss. Information provided by Nouryon
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Physical Properties	Metric	English	Comments

Density	1.20 g/cc	0.0434 lb/in³
pH	6.5	6.5
Viscosity	7.0 cP	7.0 cP
Storage Temperature	5.00 - 35.0 °C	41.0 - 95.0 °F

Processing Properties	Metric	English	Comments
Shelf Life	12.0 Month	12.0 Month

Descriptive Properties
Content	30 wt%		Silica

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PNOURY628 / 286151

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