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    Uses/ applications of silica powder produced by grinding mill

    Author: Cherry Zhao       Date: 2012-12-25 14:57

    Silica powder is also called quartz powder; silica powder is used in all leading industrial areas.
    Silica powder Sizes usually are 100 meshes, 200 meshes, 300 meshes, 500 meshes, 800meshes, 1000meshes, 1500meshes and 2000meshes.
    Silica is one of the most common minerals on the planet, and it has a hardness of 7 on the Mohs scale. Silica powder is a component of sand and quartz along with other minerals. Manufacturers obtain natural silica by mining and grind the substance into granules or fine powders. Some companies make synthetic silica, but both types commonly start with silica sand. Both natural and synthetic silica powders are frequently found in non-food products.
    Quartz Sand
    Quartz (Silica): as a crystal, quartz is used as a semiprecious gem stone. Cryptocrystalline forms may also be gem stones: agate, jasper, onyx, carnelian, chalcedony, etc. Crystalline gem varieties include amethyst, citrine, rose quartz, smoky quartz, etc. Because of its piezoelectric properties quartz is used for pressure gauges, oscillators, resonators, and wave stabilizers; because of its ability to rotate the plane of polarization of light and its transparency in ultraviolet rays it is used in heat-ray lamps, prism, and spectrographic lenses. Used in the manufacture of glass, paints, abrasives, refractories, and precision instruments.
    Uses and applications of silica powder:
    Many industries and manufacturers commonly use silica powders alone or in combination with other ingredients. The mineral has moisture absorbing and thickening properties. These characteristics make silica useful in construction materials, cosmetics, and some foods.
    Microscopic diatoms, which are hard-shelled skeletal remains of single celled plants, also contain silica dioxide. These remains exist in salt and fresh water beds. These types of silica are frequently referred to as amorphous silica. They are frequently ground into granules or a fine powder, sometimes called silica flour. Diatomaceous earth silica may be used in food or non-food products.
    Quartz powders or glass powders are silica sand heated to extreme temperatures and melted. Artisans and manufacturers mold and shape the molten material. When cooled, the substance becomes glass. Paints, plastics, polyvinyl chloride glue, and corrosive resistant coatings all contain silica powders. In some of these products, the silica acts as a thickening or hardening agent.
    Some cleansers and detergents contain silica powders. The granulated mineral scrubs surfaces by means of mechanical abrasion. Silica detergents might be used for washing clothes, dishes, or be found in general powdered cleaners. Abrasive action is also desired in some toothpastes, which contain diatomaceous earth silica as one of the ingredients. When used in hand cleaners, the abrasive nature of silica may cause rashes or other skin irritations.
    Silica cosmetics contain the silky translucent powder to absorb skin oils. The mineral is thought to be hypoallergenic and some believe the substance reduces the visibility of facial lines and wrinkles. Consumers may purchase silica powders and add the substance to lawns or soil to increase moisture retention. Some believe the powdered form also deters or eliminates insect pests, though inhaling the product may lead to serious lung inflammation or possibly cancer.
    Food and pharmaceutical industries commonly use silica powders for the mineral’s ability to absorb up to 50% of its weight in moisture. Food grade, or the diatomaceous earth form of silica powders, is commonly used as an anti-caking agent in coffee creamers, powdered foods, and seasonings. The self-contained gel packs frequently found in medications and over-the-counter supplement bottles usually contain some form of silica.
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