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Calcined Petroleum 5-25mm Coke For metallurgical Industry
Black silicon carbide (SIC) is made from quartz sand and carbon (anthracite coal tar or petroleum coke) in electric esistance furnace at high temperature. It has the characteristic of high hardness, excellent electrical and heat conductivity, low thermal expansion, and high abrasion resistance. Thus, SIC is the most suitable material of abrasives, refractories, deoxidizer of metallurgical, special ceramics, electric heating elements and so on.
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High quality Black Granular Silicon Carbide For Foundry
lack Silicon Carbide Technical Data: --High thermal conductivity rating of 100 W/m-K. --Extremely hard: Mohs 9.1 or 2550 Knoop. Harder than aluminum oxide --Blocky grain, will splinter as it breaks down, fast cutting speeds, great for recycling --High strength at elevated temperatures. --Great for glass frosting & engraving, stone carving & etching, rock tumbling --Grades 16 through 1500 available
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90% SIC To Replace Ferro Silicon For Ductile Iron Casting
(1) Large melting furnace, longer melting time, lead to more crystallization, bigger crystals, higher purity and less impurities. (2) Good hardness, longer life. (3) Chemical washed and water washed good cleanness. (4) Special treated products get higher purity, better toughness, and better grinding effect.
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