Jyoti Trading Corporation

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Phone
+91-79-22...
Email
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Country
IndiaIndia
Address
Relief Road
Kalupur
Ahmedabad
Zip:380001

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Company Description

Knowledge About  A Abrasives and  Abrasive Products.


A Abrasives product such as Grinding Wheels are used to remove surface materials such as metal, ceramics, glass, plastics, and paint. Abrasives and abrasive products include discs, belts, blast machines and sandblasters, as well as sheets, rolls, and handpads. Some abrasives and abrasive products are designed for use on bench or back stand grinders, while others are designed for use on portable or handheld grinders or sanders. Bonded abrasives, which include grinding wheels, use abrasive grains held together in a matrix of glass, resin, rubber, or other binders. Coated abrasives consist of an abrasive grain layer adhesively bonded to the surface of a cloth belt, fiber disc, plastic film, paper sheet, or other backing.


Grit size measures the abrasive grains in a matrix or bonded to a surface. Typically, grit sizes are based on ANSI (U.S.), FEPA (European), JIS (Japanese), or Micron graded standards. Typically, bonded abrasives and grinding wheels use ANSI - Bonded and FEPA - F grit size standards. Coated abrasives, grinding belts, and sanding discs use ANSI - CAMI and FEPA - P standards. Coarse grains, or grits, are used to remove large amounts of material, while medium grains are used to remove intermediate amounts. Fine grits are used in finishing and deburring applications, while very fine grits are suitable for deburring.


Abrasives and abrasive products use several different types of abrasive grains. Aluminum oxide, the most common industrial mineral in use today, is used either individually or with other materials to form ceramic grains. Aluminum oxide is also combined with emery and crocus to produce abrasives suitable for finishing applications. Other types of abrasive grains include garnet, tungsten carbine, silicon carbide, and alumina-zirconia. Super-abrasive diamond pastes are useful in ferrous polishing or lapping applications where heat and reactivity are not factors. Cubic boron nitride (CBN), a superabrasive grain with hardness second to diamond and a cubic crystal structure, provides superior grinding performance on carbon and alloy steel. 


There are several different backing types for abrasives and abrasive products. Cloth backing is used with abrasives and abrasive products designed for aggressive applications such as abrasive planing. Fiber backing is denser than cloth and contains vulcanized or chemically treated cotton or cellulose fibers; however, fiber may curl under humid conditions. Film backing uses abrasive grains on plastic film, while foam and sponge backing uses abrasive grains bonded onto a foam layer, sponge, felt or other soft, resilient materials. Similarly, metal backing uses abrasive grains bonded onto a metal backing such as aluminum or brass. Other types of backing include paper, screen, non-woven, or aggregate materials.


Abrasives and abrasive products are used in wet and dry grinding, sanding, cleaning, polishing, lapping, and surface preparation in a variety of industries, including metalworking, woodworking, ceramics, and semiconductors. Abrasives and abrasive products are also used to sharpen tools, cut optical components, and finish concrete.


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