Colloidal silica Manufacturer, Exporter, Distributor, Supplier in Visakhapatnam India.

Vizag Chemical industry Based in Visakhapatnam India. Vizag chemical is a Colloidal silica Manufacturer, Exporter, Distributor, Supplier in Visakhapatnam India. We are supplied into various industrial markets including Household, Institutional Cleaning, Personal Care, and Industrial sectors including Oil Field, Agriculture, Lubricants, Marine Industry, Metal Working chemical industry, and Coatings markets.

Colloidal silica is suspensions of fine amorphous, nonporous, and typically spherical silica particles in a liquid phase. Colloidal silicas are most often prepared in a multi-step process where an alkali-silicate solution is partially neutralized, leading to the formation of silica nuclei. The subunits of colloidal silica particles are typically in the range of 1 to 5 nm. Whether or not these subunits are joined together depends on the conditions of polymerization. Initial acidification of a water-glass (sodium silicate) solution yields.

Applications

In papermaking colloidal silica is used as a drainage aid. It increases the amount of cationic starch that can be retained in the paper. Cationic starch is added as a sizing agent to increase the dry strength of the paper.

Nanomedicine

High-temperature binders

Investment casting – used in molds

An abrasive – for polishing silicon wafers

Carbonless paper

Catalysts

Moisture Absorbent

It increases the bulk & tapped density of powders and granules.

It is used as a free-flow agent to assist powder flow, e.g. in tableting, by reducing the angle of repose of bulk powder.

Stabilizing and rigidizing refractory ceramic fiber (fiberfrax) blankets.

Abrasion-resistant coatings

Increasing friction – used to coat waxed floors, textile fibers, and railway tracks to promote traction.

Antisoiling – fills micropores to prevent take-up of dirt and other particles into textiles.

Surfactant – used for flocculating, coagulating, dispersing, stabilizing, etc.

Liquid silicon dioxide (colloidal silica) is used as a wine and juice fining agent.

Absorbent

Colloidal silica is used in concrete densifiers and polished concrete.

In manufacturing Quantum dots, small semiconductors used in various scientific research settings.

used as an ingredient in many “Ceramic Coatings”.

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vizagchemical@gmail.com