Nouryon Levasil CA425 H Colloidal silica

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Nouryon Levasil CA425 H Colloidal silica
Categories:	Other Engineering Material
Material Notes:	Levasil CA425 H is an alkaline, aqueous dispersion of colloidal silica that is approximately 40% 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 physical appearance of the dispersion is a translucent liquid, slightly more viscous than water. Levasil CA425 H is produced for world-wide distribution. CAS number 7631-86-9 Applications: Levasil CA425 H is a specialty product primarily used for the catalyst market. Information provided by Nouryon
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Physical Properties	Metric	English	Comments

Density	1.30 g/cc	0.0470 lb/in³
pH	10.4	10.4
Specific Surface Area	250 m²/g	250 m²/g
Viscosity	19 cP	19 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	0.5 wt%		Na2O
	40 wt%		Silica

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