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brown fused alumina manufacturer

Model No.︰f10-f100
Brand Name︰Wilson Abrasive
Country of Origin︰China
Unit Price︰US $ 1000 / pc
Minimum Order︰1 pc
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Product Description

white aluminum oxide can be said to be an industrial refiner. It can be used as a grinding wheel for sandblasting, can be freely ground, and can also be made into a resin mold. These are determined by its performance. In addition, brown corundum can be used as the raw material of automobile brake parts, which is solid and durable. It can also be used as a kind of metal or non-metal filter screen, such as non-ferrous metal filter or oil drilling filter and so on.

The heating rate of brown corundum is also very low, so it can be used to burn the mold, and the color of the fired mold is very unusual, dark blue, so the effect of burning the mold is very good, which is the third role of brown corundum. There is another characteristic of brown corundum, that is, it has good fluidity. Because of its good fluidity, the expansion coefficient will be reduced a lot. Therefore, as a filler, it is a good way. This is the fourth function of brown corundum.

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, having more than 19 years manufacturing experience, 35,000m2 workshop area, serving customers worldwide. Our Mission is to provide high quality, factory price products to you! We pride ourselves on providing a quick and efficient production turnaround for our clients, no matter the size of the order. Welcome to contact us for best offer and free samples! We will reply within 24 hours!

In the production of micropowder, chamber dryer is often used, and the heat source is mainly convection hot air or electric drying. When convection hot air is used for drying, the tray with materials is placed on the bracket, and the hot air flows in the room to dry the green body and take away the moisture. The features of this kind of dry operation equipment are that the dry bath operation is intermittent, with high heat consumption, uneven drying, poor working conditions and high labor intensity, but the equipment is relatively simple, and the drying system is changed in Rongchang.

Granulating process is to crush, screen or water the massive crystal obtained after smelting into particles of certain size, and then magnetic separation to remove the magnetic substances. white corundum still needs water separation and chemical treatment, and corundum sometimes needs to be shaped and calcined, and finally made into abrasive products that meet the requirements. The machines used in abrasive processing are mostly the same as those used in ore dressing.

Abrasive is a granular material with required size. However, white corundum usually contains some impurities. The higher the purity and quality, the less the impurities in white corundum. The content of impurities directly affects the properties of white corundum. The impurities in white corundum mainly include SiO2, TiO2, Fe2O3, etc. These impurities will affect his fire resistance, some of them are fusible, some of them have high melting point, but when they exist together, they may produce fusible substances at high temperature.

The following points are summarized: if there are too many silicon dioxide, the excessive silicon dioxide can not be retained in the glass phase, but react with a part of alumina to form mullite, which will reduce the toughness of brown corundum. The higher the aluminum content, the better the toughness; this is also a very important reason that the raw material of white aluminium oxide must be bauxite. There are several methods of hydraulic classification, such as sedimentation method, overflow method, swirl method and centrifugal method. 

The factors that affect the toughness of white aluminium oxide are also studied. The sedimentation method is based on the mechanism of different settling speed of particles in the water. The overflow method is based on the same mechanism as the sedimentation method, but it uses the water flow speed greater than the particle settling degree to bring out the particles. The hydrocyclone method is the centrifugal force produced by the high-speed rotation of slurry in the hydrocyclone, and the particle size is different, so the centrifugal force is different, so that the particle size is separated.

Payment Terms︰L/C,Western Union
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