Rocks that are rich in kaolinite are known as Kaoling, kaolin, Kalaba or china clay. China Clay falls under Kaolinite group of clays. It has the usual compositions of Al2O3, 2SiO2, 2H2O, Hydrous Aluminium Silicate. China Clay mining is a complicated process which can be split into three distinct sections opencast mining, refining and drying. China Clay occurs in the deposits of rock china clay, a mixture of up to 15 percent China Clay, and up to 10 per cent mica, and the remainder being quartz. The clay itself varies considerably from pit to pit. In some deposits, the clay is ideally suited for the filling and coating of paper, while in other deposits,other gradess China clay suits best. China clay has a low shrink swell capacity and a low cation exchange capacity 1 15 meq 100g. It is a soft, earthy, usually white mineral dioctahedral phyllosilicate clay, produced by the chemical weathering of aluminium silicate minerals like feldspar
It is used in various paints like distempers, cement primer, wood primer, texture paint, spray plaster, putties, fillers &undercoats.
China clay due to its lamellar structure imparts toughness to coatings and tends to reinforce the films.
It settles slowly in water and having low solubility in water, it is commonly used in water based paints.
Due to its low solubility in the aqueous phase and its ability to impart good brushing and leveling characteristics, it is mainly used in latex paints.
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Dev International was incepted in 2002 as an exporter and supplier of value added, specialty Minerals and Stones. The company was founded by Mr. Sandeep Sodani under Sodani Group and mentor-ship of his veteran father Mr.J. C. Sodani. Earlier it was known by another name. In 2009, it was renamed as “Dev International”. It believes in family business tradition and the group works in tandem with the family members. We have the vast and hereditary experience in mining and export of natural minerals. Our product portfolio includes Mica scrap, Mica powder (Wet Ground Mica & Dry Ground Mica), Mica Flakes, Mica Blocks, Mica Splittings, Bentonite, Barite, Abrasive Garnet, Granite, Marble, Quartz lumps, Quartz Grits, Quartz powder, Feldspar Lumps, Feldspar Grains, Feldspar Powder, Talc, Dolomite, Calcite, China Clay, Fly Ash and Natural Fullers Earth. The products are designed to cater diverse needs of industries like oil drilling, oil refining, pearl pigments, paints and coatings, ceramics, glass, paper, Insulating electronic components, plastic and polymer formulation, adhesives, foundry, refractory, adhesives, water treatment, putties, cements, concreting and constructions, roofing felt decorative, animal feed, cosmetics etc. Due to the availability of mines, robust manufacturing facilities and trusted sources for our products, we have been succeeded to carve a niche in international market. We first flapped our wings to china and today spread off shores to Middle East, Far East, South-East Asia, Africa and Europe. We, at Dev, always remain tuned to the changes that come with a dizzying speed in current new world and with profound understanding of diverse industrial requirements, the company has empowered its clients with bespoke products based on their customize requirements.