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The problem of high alumina fire bricks performance and cracking
2022-07-20The mineral composition of high alumina brick is determined according to the bauxite used, and the mineral composition of clinker is generally mullite, corundum and glass phase. The theoretical composition of mullite is ··· -
k23 insulating fire bricks
2022-07-19k23 insulating fire bricksCompared with ordinary refractory bricks, k23 insulating fire bricks are lighter in weight, have micro-stinging holes evenly distributed inside, and have higher porosity. As a result, less heat ··· -
Sillimanite bricks
2022-07-18Sillimanite bricks are divided into 65 and 60 sillimanite bricks according to the index.Sillimanite bricks are thermal insulation bricks made of sillimanite minerals. Sillimanite is converted into mullite and free silica··· -
Analysis of the reasons for the adhesion of alumina balls
2022-07-16From the sampling analysis of the parts where the adhesion occurs, the surface of the high-alumina ball is covered with a thin layer of dark gray dense matter, and this layer of dark gray dense matter is the main materia··· -
Introduction to silicon insulation bricks:
2022-07-15It refers to the insulation and refractory products made of silica as the main raw material and the SIO2 content is not less than 91%. In addition to the insulation and insulation performance of silicon insulation, it ma··· -
What is zirconia brick?
2022-07-14Zirconia bricks are refractory products produced from zirconia as the main raw material. There are two main manufacturing methods: sintering and casting. There are three crystal forms of zirconia: monoclinic, tetragonal ··· -
Characteristics and physicochemical indexes of silica brick for coke ovens
2022-07-12Characteristics and physicochemical indexes of silica brick for coke ovensSilica brick is a refractory material with a SiO2 content of more than 93%. It is made of quartzite (silica) as raw material, crushed to a suitabl··· -
Properties of high ziconia brick.
2022-07-11The mass fraction of ZrO2 in zircon products is about 65%, almost all of which are composed of zircon crystals, with only a very small amount of glass phase and free ZrO2. The true density is about 4.55g/cm3, the highest··· -
Application of corundum brick
2022-07-08The content of alumina in corundum bricks is more than 90%, so corundum is the main crystal phase of refractory products. High normal temperature compressive strength (up to 340MPa). High load hardening onset temperature··· -
High alumina bricks refractory material for ladle working lining
2022-07-07At present, ladles used for out-of-furnace refining can generally be divided into two types: processing ladles and refining ladles. The former has no temperature compensation function, and is mainly used for degassing, d···