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Description
Ball Clays are kaolinitic sedimentary clays in terms of their formation processes and natural properties. They have comparatively limited deposits and distributions around the world as they require several geological factors to be congenial for their proper formation and preservation. Ball clays, in general, consist of three main minerals namely - kaolinite, mica, and quartz. The amount of contents might differ based on the place of origin. However, the most common compositions can be 20-80% kaolinite, 10-25% mica, and 6-65% quartz.
Usage and applications
Taking reference from of various researches and studies made so far, it is believed that ball clay has been used since Roman times only which may date back to somewhere early Bronze Age. We use several products in our daily life which contain ball clays in them. Some of the most common uses are tableware, washbasins, wall and floor tiles, toilet bowls, and several other sanitary ware products and insulators. The construction of ceramic articles depends a lot on ball clays for their enhanced plasticity during shaping process. They are also used to produce coatings for ceramic products as they provide perfect finish to ceramic coatings. Ball clay has its important application in the production of wall and floor tiles. The use of ball clays along with feldspar, quartz, silica, kaolin and talc, provide great plasticity and bonding properties to wall and floor tiles. Similarly, ball clay is an important element for construction ceramics. Several building materials including but limited to clay pipes, roof tiles and bricks have ball clays in them. Electrical insulators use porcelain components to be able provide insulation from high voltage current flows. It is also used as fillers in various plastic and rubber products like car window trims, garden hoses, windscreen wipers etc.
Description
Also known as Kaolin, China Clay is a layered silicate clay mineral that is distinguished from the other forms of industrial minerals based on its properties like its fine particle size, great plasticity, pure coloring and a low shrink-swell capacity. It can stand a temperature up to 1300C and does not shrink or swell in water. Its unique chemical composition of Al2Si2O5(OH)4 and non conduction to heat and electricity makes it a perfect choice for varied applications and industries
Usage and Applications
China Clay is most widely used in paper, rubber, paint, tableware, tiles, sanitary ware tiles industries. However, it is not confined to these industries only. The physical form of China can usually be Lumps or Powder. Industries like paper, rubber and paint most commonly make use of china clay in powder, but the industries like tableware, refractories, sanitary ware etc. uses both forms of it. The other forms of China clay can be washed or unwashed forms. Here again, the usage of depends on the industry and application. The common use of China Clay in paper industry is to improve the appearance of paper coating. However, it is not confined to paper coating only, it serves several other purposes viz. enhancing gloss, smoothness and brightness of paper. It can also be used as filler to minimize costs and to lessen the use of natural resources. It is used in paints to increase gloss levels, in rubber to get an alternative to expensive synthetic materials and in adhesives to modify its rheology. At RESCOM, we supply all forms of China Clay, be it lumps, powder, washed or unwashed, to all industries of its application worldwide. Get in touch with us today to know more about our supply and delivery options in your country.
Description
Feldspar belongs to the group of Tectosilicates or framework silicates and is found in abundance in earth's crust making a total of 60% of terrestrial rocks. Basically, there are two types of Feldspar, namely Sodium Feldspar and Potassium Feldspar. However, some of the deposits offer mixed Feldspar also. In Sodium Feldspar, the content of soda (Na2O) is found in the range of 6% to 11% and in Potassium Feldspar, Potash content (K2O) is generally available in the range of 6% to 12%. The percentage content of soda and potash can vary from one deposit to another. Feldspars crystallize from magma in igneous rocks as veins and they can also be found in several kinds of metamorphic rock. Rocks that are formed with 100% contents of calcic plagioclase are most commonly known as anorthosite. Chemically, feldspars are silicates of aluminum which are enriched with the contents of sodium, potassium, iron, calcium or even barium. The ratio of content depends primarily on the area of deposits and mines.
Usage and applications
According the usage, Feldspar is a part of our daily life. Some of the most common applications of this mineral in a household are glass, fiberglass for insulation, floor tiles, shower basins, tableware etc. Hence, it is used in industries like tiles, glass, table ware, ceramics, sanitary ware and insulators. Feldspars have a significant role as fluxing agents in ceramics and glass applications. Besides, properties like great dispersability, high resistance to scratch, low stickiness at high filler loading, good refractive index, resistance to frosting, chemical inertness and stable pH balance make it a perfect choice to be used as fillers in paint, rubber and adhesive industry.
Description
Quartz - better known as SiO4 in terms of Chemistry - is a silicon dioxide mineral that is found in profusion in the Earth's continental crust. It's the second most abundant mineral after Feldspar. Being a component of varied sedimentary, metamorphic and igneous rocks, it is available in many colors. It can be violet, golden yellow, pink, brown, green and sometimes even colorless. Almost all different colors of Quartz are known by different names. The variety in its colors and physical properties depend more depend more significantly upon its place of origin.Quartz can have clear crystals and can also be milky and smoky in appearance. It all happens naturally and depends much on geographical environments. The crystals of quartz can vary on shapes and sizes. In spite of that, it is considerably easier to recognize Quartz crystals because of their unique shapes. Their crystals have uniquely pointed and uneven terminations.The formation of quartz normally occurs in hydrothermal veins cutting through rocks as gangue along with ore minerals. In another words, quartz veins are formed by filling up the cracks present in rocks. Hot brines originating at high temperatures carry varied minerals with them which drip into the rocks in cracks at considerably lower temperatures and pressures. This process of filling up the cracks in rocks continues as long as the cracks are not completely filled. At times, the process of filling up the cracks may stop early and it happens, it generally leaves pockets in the veins that can be outlined by crystals. The size of such crystals can be of different length, it all depends on geographical and environmental factors. Crystals that get congenial environment for their development may have the size of several meters in length and may weigh as much as 640 kg.
Usage and Applications:
Quartz crystals that occur naturally are known to be of extremely high purity. Such crystals are most commonly used for the crucibles and several other important equipments which are used for growing silicon wafers in the semiconductor industry. The quartz crystals of this purity are costly and not easily available in many geographical locations. Quartz crystals that have high levels of transparency have many electronic uses. They are used as oscillators in radios, watches, and pressure gauges. Their use is very popular even in the study of optics. Quartz crystals have significant uses in the manufacturing of glasses. They are used as abrasives for cutting stones, glass grinding, and sandblasting. The use of quartz cannot be neglected in the computer industry. It plays a significant role as the silicon semiconductors used in computers are made from Quartz.Besides all above industrial usage, Quartz has an important place in gem and jewelry trade also. It is one of the most popular gemstones. Particularly, Amethyst and Citrine are much favored gems. The quartz that does not have any color is worn as pendants and in rings. It is spiritually believed to bring good luck to the wearer.