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Alumina content more than 90%, is given priority to with corundum crystal phase of refractory products.

High room temperature compressive strength (up to 340 mpa).High rul start temperature (greater than 1700 ℃).

Good chemical stability, acid or alkaline slag, metal and glass, etc. Have strong ability of resist.Thermal shock stability is related

to its organizational structure, the erosion resistance of dense products is good, but poor thermal shock resistance.

Divided into sintered corundum brick and fused corundum brick two kinds.Respectively using sintering alumina and fused

corundum as raw materials or Al2O3 / SiO2 than high bauxite clinker and sintered alumina, made by sintering process.

Also can use phosphoric acid or other adhesives made don't burn corundum brick.It is mainly used for blast furnace and

blast furnace hot blast stove, furnace refining furnace, sliding water apparatus, glass furnace, and petrochemical industrial furnaces, etc.

Q:What refractory materials are adopted in each part of the blast furnace?: The lower part of the shaft due to high temperature and dust by scouring and alkali metal vapor erosion, so the requirements for the slag resistance, alkali resistance and high temperature resistance, wear resistance of high quality clay brick, high alumina brick, carborundum brick or corundum brick. Belly temperature reaches 1400~1600, and slag, steam erosion, erosion and corrosion is strong, therefore, the silicon carbide reaction bonded silicon carbide brick.

Q:What's the size of the fused zirconia corundum refractories for glass furnace? What are the main kilns? How much is the dosage?: Fused zirconia corundum brick has a strong resistance to glass liquid corrosion!It is better to fuse the furnace with fused zirconia corundum bricks.Fused zirconia corundum brick, regardless of the size of the furnace, the use of small hundreds of kilograms can be used, depending on the design of the kiln!

Q:How to improve the induction furnace campaign, from the promotion of refractory life start: Select suitable insulation materials, such as polycrystalline facing blocks and ceramic fiber modules, depending on the service temperature

Q:How much is a refractory brick?: This question is too general, refractory bricks according to the use of the environment and industry, there are a variety of materials, a variety of specifications, prices vary greatly.

Q:What kind of refractory material will be used in the glass kiln?: High temperature & glass corrosion performance of the brick is slightly lower than that of chromium oxide, also by isostatic pressing forming method, its technical indicators ZrO2>65%, <2.0% porosity, volume density of about 4.25g/cm3, the temperature in E glass is higher than 1370 DEG C have erosion. Used in the E glass melting pool unit kiln glass temperature slightly lower at the end of the transition path, forming the bottom of the pool and forming path path flow tank and bushing support brick etc.. In addition, the dense zirconia brick is used as the backing brick of the dense chrome brick.

Q:What are the refractory materials?: Not a good answer. You can sort out, such as: neutral, alkaline, acid refractory. Different kinds, of course, raw materials are different.For example: MgO-C brick basic refractories: magnesia (fused, high purity graphite) + + + phenolic resin additives (silica fume or aluminum or silicon carbide or high temperature asphalt) etc..

Q:How do corundum bricks bind?: High temperature bonding clay can be used for bonding masonry

Q:What are the main constituents of refractory bricks?: Brick, refractory brick is containing more than SiO293%, is the main varieties of acid resistant brick. It is mainly used for coke oven building, also used in furnaces all kinds of glass, ceramic and carbon calciner, refractory brick arches and other load-bearing parts, is also used in high temperature bearing part of hot blast stove, but should not be used in thermal equipment below 600 DEG C and the temperature fluctuation in the.

Q:How much is a thermal brick?: If you really want to buy thermal insulation brick, do not simply look at the price, but also to consider the quality of the product. (a piece of brick in the market basically in 6 yuan, if there is a floating price if it is because of the size of the insulation brick or distance, but floating slightly.)

Q:What is the hardness of corundum refractory bricks?: Corundum refractory brick has good stability against acid and alkaline slag, metal and glass solution. It can be used in oxidizing atmosphere at high temperature or in a reductive atmosphere. The basic material of corundum refractory brick is fused alumina or sintered corundum.

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