Cheap low density white alumina manufacturer china

The stronger the stirring force in the molten pool, the higher the qualified steel output. Promoting the application of breathable bricks on ladle furnaces and out-of-furnace processing ladles has also achieved good results. Reducing the amount of high-priced ferroalloys on these two devices is a factor in their effectiveness. In addition to technological innovation in the field of refractory production, it can not only save energy significantly, reduce CO2 emissions, but also realize new green processes, such as general photovoltaic elements or wind power generation.

Microhardness uses diamond with the tip less than 1mm as the indenter, and the hardness of the substance is evaluated by the indentation of the test object. Microhardness hardness values??are expressed in Kg / mm2. Mechanical strength refers to the ability of a substance to resist the damage of an external force. Under the action of an external force, a material will generate a resistance of equal size and opposite direction. The internal force is called stress.

Rhenium is actually an indirect and stricter regulation of the content of iron oxide. Scientific research and production practice of corundum crystals show that calcium oxide and magnesium oxide have a great influence on the quality of corundum. Even a small amount of CaO will consume a large amount of Al2O3 and generate calcium hexaaluminate, so the national standard stipulates CaO? 0.45%. A small amount of MgO will also have a larger effect. Although the impact of silicon oxide on corundum is small, it still has an impact.

Classification standard of fused chrome corundum: large crystal: purple, purple brown, with a large number of non corundum crystals; grade: red, purple red, crystal in good condition; grade I spent material: particle size less than 30mm, black spent material less than 1%; grade II spent material: particle size less than 5mm; grade III spent material: particle size less than 50mm, greater than 90%, 50-70mm, less than 10%. The material of fused zirconia corundum is the same as that of fused chromium corundum, and the ingredients are adjusted according to the needs of users.

There is also an environmental reason. During the production process, white corundum caused problems due to air. Some manufacturers have very bad air, which causes white corundum to produce bubbles during the production process, which leads to white corundum. Damage occurs, so the environmental reasons are also very important for white corundum. This place needs to remind various manufacturers, and we must pay attention to the environmental problems of each factory.

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We are a professional brown fused alumina, white fused alumina, black corundum, pink corundum, green silicon carbide, black silicon carbide and other abrasive products manufacturer and supplier in China.