Knowledge

October 20 News: The cost rise, improving demand and supply, under the influence of disturbance in the third quarter alumina futures are upward attitude, The futures price once rose to 3203 yuan/ton,

Advantages Good wear resistance: White corundum whetstone has very good wear resistance and can be used to grind tools of various hardnesses, such as high-speed steel, alloy steel, etc., with very goo

Alcoa: Alumina production rose 10% in the third quarter According to foreign news on October 18, Alcoa's quarterly report on Wednesday showed that its losses narrowed in the third quarter, but the

Mainly: refractory clay, silica raw materials, dolomite, magnesite, graphite, pyrophyllite, vermiculite, peridotite, serpentine, chromite, high alumina minerals, zircon and so on; Synthetic refractory

Density is also an important indicator. The density of white fused alumina abrasives is divided into the packing density of white corundum and the true density of white fused alumina. The packing dens

White fused alumina abrasive is one of the most widely used in the industry, there are white fused alumina sand, white fused alumina sand, white fused alumina fine powder, white fused alumina micro po

Brown Fused Alumina (BFA), also known as Brown Fused Alumina or BFA, is made of superior calcined bauxite, mixed with ferric chippings and coal as per suitable rates, melting at super high temperature

Brown fused alumina is primarily used as a reusable abrasive in blast cabinets and blast rooms. Because of its low iron content, alumina is often used in blasting operations where iron contamination o

From January to April 2023, China's cumulative export of brown fused alumina was 136,400 tons, down 1.38% year-on-year. According to the monthly export volume, although the exports in January and Apri

Additionally, BFA has a low friability which allows it to be recirculated on average, up to seven times. These characteristics reduce abrasive consumption, clean up, and disposal costs, increasing pro

One factor is a slight increase in output. According to statistics from the China Refractory Industry Association, national refractory production reached 6.344 million tons, showing a 1.09% increase.

What is the porosity of refractories ? There are three types of porosity in the production process of refractory materials, namely, open porosity, closed porosity, and through porosity. The sensible g