General purpose high alumina brick

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Product Description:

一般用途高铝砖

项目
item

LZ-75

LZ-65

LZ-55

LZ-48

Al2O3,%               不小于
                     Min

75

65

55

48

耐火度,℃           不低于
Refractoriness        min

1790

1790

1700

1750

荷重软化开始温度,℃ 不低于
RUL                   min

1520

1500

1470

1420

重烧线变化 % 1450℃x2h
P.L.C

0.31—-0.4(1500℃x2h)

0—-0.2

显气孔率,%          不大于
A.P.                 max

23

23

22

22

常温耐压强度         不小于
CCS                  min

53.9

49.0

44.1

39.2


Specification:


Product characteristics; General use high-alumina brick use yangquan bauxite clinker with high quality combined with clay and additives made from. Product has high refractoriness, good acid and alkali erosion resistance, high temperature strength, good thermal shock stability etc, and widely used in metallurgy, light oil, chemical industry, building materials, machinery, processing, thermal technology equipment of military industry and other industries.


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Q:What types of refractory bricks are divided into?
The flue has fireproofing time requirements, very expensive, I just know this in my project, using a special refractory brick and fireproof plaster
Q:What kinds of annealing furnace refractory bricks there are?
But the energy saving effect is good, but also can use lightwight heat insulating brick, but the price is higher than that of clay brick
Q:T38 size of high alumina refractory brick
230*114*65/55
Q:What are the differences between thermal insulation bricks and refractory bricks?
Thermal insulation brick is thermal insulative; refractory brick is high temperature resistant.
Q:does all the refractory refer to refractory bricks when making steel?
refractory materials not only refers to the refractory brick, but also includes like castable refractory and a number of bulk cargo and ramming mass The desulfurization agent belongs to metallurgical auxiliary material
Q:How to make the adhesion between refractory brick and the inner wall of the boiler more firm?
The hook structure, or masonry concrete beams.
Q:Do you use ceramic as offal material for refractory bricks?
Use special clinker of bauxite with high alumina as main ingredient, pulp, K2O < 0, the main component is Al2O3 which is more than 18%, it is a kind of neutral refractory material, pyrophyllite fine powder doesn't need refractory brick production process, Fe2O3 < 1, grinding - mixing - molding - sintering - packaging - delivery. A.3%.3%, Fe2O3 < 0, molding and calcined from bauxite or other raw materials with high content oxides, combined with clay, K2O < 0.5%; 3: 2, raw materials 1; 4: 325 mesh.0%:
Q:can the refractory sand be used to make refractory bricks?
No...
Q:The service life of the refractory brick of the intermediate frequency electric furnace, how long is the replacement period.
There is no standard. As long as the induction coil can be fixed and furnace lining can be built, the service life will be different. Replace it if it's broken, and there is no problem to take it apart. Buy a backup. And the textures of refractory brick are not the same in different places.
Q:The advantages of using alkalinty refractory brick?
Magnesia chrome and other spinel refractories alkalinity refractories; (2) the alkalescent chrome magnesite refractories, alkaline solvent resistance is strong, usually refers to the magnesia refractory material, dolomite brick and calcareous refractory materials, dolomite refractory materials and lime refractory materials, acid flux or acid refractory chemical reaction. Mainly used in alkaline steel furnace and non-ferrous smelting furnace. Alkaline refractory material at high temperature for alkaline slag. Mainly as the following categories, but the acid slag, forsterite refractories and magnalium: (1)strongly alkaline magnesia brick, magnesia carbon brick and cement kiln

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