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Cheap Pink Fused Alumina Wholesale Price

In daily life, many people will mix some abrasives or some original stones, think that they are all the same, and the use is the same. If some people will call silicon carbide abrasive and brown fused aluminum oxide as silicon carbide, then Is this kind of name really reasonable? Many people don't know their specific use when they are unclear. So let's take a look at the difference between silicon carbide, silicon carbide and brown corundum.


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Different raw materials. Brown corundum: commonly known as emery, is a tan artificial corundum made from alumina, carbon materials and iron filings that are melted and reduced in an electric arc furnace. Therefore, it is called this name. The main chemical component of brown corundum is aluminum oxide, which has a content of 95.00%-97.00% and contains a small amount of iron, silicon, titanium and the like. Brown fused alumina is the most basic abrasive, and it is widely used due to its good grinding performance, wide application range and low price.


Emery, also known as silicon carbide (SiC), is made from quartz sand, petroleum coke (or coal char), sawdust (salted green silicon carbide) and other raw materials through the resistance furnace high temperature melting. Silicon carbide is also known as carbon silica. Due to the low natural content, silicon carbide companies is mostly artificial. The common method is to mix quartz sand with coke, use the silica and petroleum coke, add salt and wood chips, put it into an electric furnace, heat it to a high temperature of about 2000 °C, and obtain silicon carbide powder after various chemical processes. .


Different uses. Brown aluminium oxide can be used to make ceramic, resin high-solidified abrasives, as well as grinding, polishing, sandblasting, precision casting, etc., and can also be used to manufacture advanced refractory materials. Emery is suitable for grinding fine-grained abrasives such as high carbon steel, high speed steel and stainless steel. White corundum can also be used for precision casting and advanced refractory materials. There are four main application areas for silicon carbide: functional ceramics, advanced refractory materials, abrasives and metallurgical raw materials.


Performance is different. Brown corundum has the characteristics of high purity, good crystallization, strong fluidity, low coefficient of linear expansion and corrosion resistance. Brown aluminum oxide is only used for the removal of burrs on the surface of stainless steel, carbon steel, aluminum alloy and other hardware parts. Emery has the characteristics of high purity, good self-sharpness, acid and alkali corrosion resistance, high temperature resistance and stable thermal performance. Silicon carbide is also a rare mineral in nature, kyanite. 


In comparison, the hardness of green carborundum is higher than that of white alumina, which has strong cutting force and is used to remove metal or non-metal burr. It has a polishing effect on the surface grinding of the part, which belongs to the medium polishing abrasive. In summary, brown corundum, also known as emery, is also known as silicon carbide, so there is no difference between the three, but there are some differences in the use, we still choose according to the performance of the abrasive itself. Use your own products.


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Brown Fused Alumina And White Fused Alumina MOQ: 1 Ton! 19 Years Manufacturing Exprience, 35,000m² Workshop Area, Factory Price, Free Samples, Fast Delivery!

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