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Colloidal Silica

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The term  Colloidal Silica  /silica sol is derived from Colloidal Silica / silicic acid sol, or more accurately silicic acid aquasol. Silica sols are colloidal dispersions solutions of silicic acid in water. Chemically speaking, a distinction should be made between colloidal dispersions of high molecular polysilicic acids and amorphous silica particles with particle sizes in the nm range. Insofar as dilute, colloidal silicic acid solutions are formed in chemical reactions, e.g. between an alkali silicate and acid, the solutions involved are often polysilicic acid solutions with a high molecular weight. Even after appropriate purification, they remain unstable and solidify by gelling. They cannot be produced in high concentration of up to approx. 50%. P-SIL products on the other hand are colloidal dispersions of silicon dioxide particles that are immensely stable and resistant to gelling. Depending upon the type, the products can be manufactured to a concentration of 50% and then dispatched in this form. We have decades of experience in the production and application of colloidal dispersions. Depending upon the type, the products can be manufactured to a concentration of 50% and then dispatched in this form. We have decades of experience in the production and application of colloidal dispersions.

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