The difference between refired magnesite and large crystal electrofused magnesite

The heavy calcined magnesite is mainly made of 46% magnesite, which is calcined at 1600℃ to 1800℃ through one layer of coal and one layer of magnesite in iron scale kiln. The production process is two tons of ore to produce a ton of heavy burning magnesia products are divided into three grades; 1. Heavy firing magnesia before kiln; 2. Underfiring heavy firing magnesia; 3. Heavy firing heavy firing magnesia for bulk; the main color of heavy firing magnesia products is hard reddish brown; the characteristics of heavy firing magnesia products are very high fire resistance.

Application: the products are used for magnesia brick, Magnesia aluminum brick, Magnesia chrome brick, shotcreting material, pouring material, dry material, daub material, filling charge, asphalt, casting, fireproof and heat preservation material, flux accessories, electric furnace, heating furnace, rotary furnace, steelmaking, electric furnace bottom and ramming furnace lining.

Large crystal electrofused magnesia products are mainly produced by melting magnesium oxide particles with 90% or more content in an arc furnace. The product has high purity, large crystal particles, compact structure, strong slag resistance, good thermal shock stability, is an excellent high temperature electrical insulation material, and is also an important raw material for the production of high-grade magnesia bricks, magnesia carbon bricks and amorphous refractory materials. Widely used in metallurgy, chemical industry, national defense, scientific research, aerospace, household electrical components.

Characteristics of large crystal electrofused magnesite: high purity, large melting of crystal particles, high junction point and compact structure; Good thermal shock stability; Good high temperature flexural strength; It has good slag resistance and corrosion resistance. Strong thermal conductivity, high insulation.

Purpose: Large crystal electrofused magnesite is used as lining refractory for steel furnace, and is a high quality and high grade basic refractory material for refractory brick and unshaped refractory. It can also be used as a filler to make thermocouples and thermal insulation materials (household appliances, etc.); It can also be used for ceramic raw materials and sintering auxiliaries as well as metallurgy, building materials, chemical industry, national defense, medical equipment and so on.