Ceramics are usually composed of commonly available materials, such as carbon, silicon, oxygen and nitrogen.

As early as February 21, business micro news published "The Ministry of Commerce Held an Online Policy Briefing on Stabilizing Foreign Trade, stabilizing foreign investment and promoting consumption". At the briefing, Li xingqian, director of the foreign trade department of the Ministry of commerce, said in response to the reporter's question of whether the canton fair this spring will be postponed or cancelled, that at present, preparations for the 127th canton fair are proceeding in an orderly manner as planned.

Do nucleic acid on time, actively respond to home isolation, do not go out without contact, wear a mask when going out, and do a good job of disinfection and disinfection and sterilization when going home.

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Alumina Ceramic Crucible is mainly made of zirconium dioxide. It is fired at high temperature with a special formula. It is a refractory with high fire resistance. It can withstand temperatures of 1800 degrees Celsius and high temperature resistance. It is usually used for smelting precious metals, nickel And other metals, with excellent chemical resistance and high temperature resistance.

Alumina ceramic beads can be used in the grinding of lithium batteries. This is an emerging industry. alumina ceramic beads can show their charm through their own materials.

In fact, the alumina ceramic normal pressure sintering method is the entire process of sintering the green body under atmospheric conditions. This method will have a higher sintering temperature, so the requirements for the kiln are higher, and energy is wasted. It is also very large.

Industrial ceramic is a polycrystalline inorganic material, generally composed of grains, grain boundaries, pores and so on. In general, the opacity of ceramics is caused by the discontinuity of the refractive index between the grains due to the randomness of the non-equiaxed crystal grains in the alignment orientation, and the scattering caused by factors such as grain boundary effects and pores.

Nowadays, the refining technology of alumina ceramic parts has been continuously improved, and it has been used more and more in daily life.