Kaolin Powder

Kaolin Powder - Supplier, Manufacturer and Exporter


Kaolin is mostly found in form of clay. It is usually white in appearance. It has soft and earthy texture. Kaolin is of roughly hexagonal size. It has varying amount of minerals into it. It contains muscovite, quartz, feldspar, and anatase. In high concentrations, the mineral appears in white pieces with a high level of flexible strength, and it can be used to produce several styles of ceramic products. Kaolin clay can also be mixed with other clays to create customized blends. There are numerous applications of kaolin. It is mainly used by paper, Wires and cables, plastics and rubber, construction, paint and coatings, agriculture, ceramics, toothpaste, cosmetics, whitewash, organic farming, and, thermal papers manufacturing firms. Individual kaolins vary in physical aspects, which influence their end use depending on the brightness, whiteness, gloss, opacity, film strength, and viscosity.

Applications


Cosmetics Industry :

Kaolin is an ancient cosmetic ingredient and produces excellent results when used in facemasks. Kaolin clay is a type of soft white cosmetic clay. In the beauty department, it has been used for facial masks, poultices, soaps, scrubs, deodorants and facial powders. Kaolin clay can be used as a daily facial cleanser. It is gentle and can be used in place of harsh facial cleansers. When used in deodorant, kaolin clay soaks up sweat and oils from the underarms and neutralizes bad body odor. It also pulls out toxins from deep within. All these keep underarms clean and fresh.


Ceramics Industry :

Kaolin is used extensively in the ceramic industry, where its high fusion temperature and white burning characteristics makes it particularly suitable for the manufacture of whiteware (china), porcelain, and refractories. The absence of any iron, alkalies, or alkaline earths in the molecular structure of kaolinite confers upon it these desirable ceramic properties. In the manufacture of whiteware the kaolin is usually mixed with approximately equal amounts of silica and feldspar and a somewhat smaller amount of plastic light-burning clay known as ball clay. Kaolin is generally used alone in the manufacture of refractories.


Paint Industry :

kaolin affects important paint properties such as mud crack resistance, scrub resistance, gloss and sheen and in particular the effect on opacity. Kaolin clay is used as a functional extender in paint. . Its hardness also improves physical durability of the paint film and its burnish resistance. Kaolin clay is also used in grounds, such as for painting and for gilding.


Rubber Industry :

The exact choice of rubber type and formulation will be determined by the demands of the final application. For example demands of a rubber extrusion will be quite different to those of a pharmaceutical stopper. Due to the particle shape of claimed kaolin (claimed clay) it offers good reinforcement, excellent extrusion and low compression set, all important properties to the designer of rubber compounds for extruded and molded components.


Insulators Industry:

Amongst several samples of porcelain insulators formulated from kaolin, ball clay, feldspar and quartz, five have been selected for investigation whose proportion is indicated. The raw materials were wet milled separately. Kaolin, ball clay, feldspar and quartz were sieved through 200μm. The resultant materials were dried and mixed. The mixture was wet milled for 3hours (each composition was mixed with 1litre of water and 1 capful of sodium silicate which was used as deflocculated in the jar mill, pebbles were added to facilitate the milling process) to form a uniform mix The mixture was made to pass through a magnetic sieve of 200μm to remove the iron content before it was cast into the mound. Varying proportion of Kaolin and Feldspar were used in the mixtures while ball clay and quartz were kept constant. Each constituent samples of formulated porcelain body were cast, bisque fired from 0 to 9000C for 6 hours until it became impervious, and finally glazed by firing for 8 hours.


Paper Industry:

The primary use of kaolin is in the paper industry. It serves as a paper coating which improves appearance by contributing to brightness, smoothness and gloss. It also improves printability. Additionally, it is used by the paper industry as filler reducing cost and the use of tree-based resources.


Pharma Industry:

Kaolin is used for mild-to-moderate diarrhea, severe diarrhea (dysentery), and cholera. In combination products, kaolin is used to treat diarrhea and to relieve soreness and swelling inside the mouth caused by radiation treatments. Some of these combination products are used for treating ulcers and swelling (inflammation) in the large intestine. Some people apply kaolin directly to the skin in a wet dressing (poultice) or as a dusting powder. It is used to dry or soften the skin. Kaolin is also used in laboratory tests that help to diagnose disease. In manufacturing, kaolin is used in tablet preparation and to filter materials and remove color. Kaolin is also a food additive.

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