Hitech 1760C 42% Al2O3 refractory firebrick for kilns

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1000 pc
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1000000 pc/month

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Place of Origin:

Shandong, China (Mainland)




Alumina Block

SiO2 Content (%):


Al2O3 Content (%):


MgO Content (%):


CaO Content (%):


Refractoriness (Degree):

Common (1580°< Refractoriness< 1770°)

CrO Content (%):


SiC Content (%):


Model Number:


Brand Name:




Refractoriness ℃:


Bulk density g/cm3:


Apparent porosity %:


Cold crushing strength MPa:


Refractoriness under load ℃:


Packaging & Delivery

Packaging Details:in wooden pallets
Delivery Detail:25 days


  • 1. Low bulk density, low thermal conductivity, good thermal insulation performance.

  • 2. Refractory category allow direct contact of fire, suitable ofr various atmosphere

  • 3. Good integrity with furnace lining, long service life, easy operation, could be shaped    freely

Typical Applications

  • 1. Furnaces of metallurgy industry, heat treatment furnace

  • 2. Furnaces of chemical industry and construction industry.

  • 3. Furnace of incineration of garbage, recirculating fluidized bed furnace etc.


                                                                      Refractory fireclay brick


Item Specifications




Al2O3  %




Fe2O3  %




Refractoriness ℃




Apparent porosity  %




Bulk Density≥ g/cm3




Refractoriness under load 0.2MPa




Cold crushing strength  MPa




Permanent linear chang %





Hitech 1760C 42% Al2O3 refractory firebrick for kilns

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Q:What's the difference between high alumina refractory bricks and high alumina refractory bricks?
The chemical pH value of high alumina refractory brick belongs to neutral and alkaline refractory brick, and clay refractory brick belongs to neutral and acid refractory brick.
Q:How high can aluminum bricks expand at 80O degrees of heat?
The expansion of high alumina brick is not only related to temperature, but also related to its material composition. The refractory temperature of high alumina brick is above 1770 centigrade. The temperature of 800 DEG C has little influence on the expansion of high alumina brick.
Q:What is the standard size of high alumina brick?
The country has laid down a number of criteria for the use of refractory bricks to unify market demand.
Q:How does the physicochemical index change when the high alumina brick is used at high temperature?
If the range of softening temperature exceeds the load, the constants of other physical and chemical indexes will also increase or decrease.
Q:Application characteristics of high alumina brick
Slag resistance. Due to the high alumina brick products in the three oxidation of two aluminum is neutral and high content, so this material products for acid-base slag corrosion resistance.
Q:What kinds of minerals are there in the five major categories of ore crystal chemistry?
Natural element minerals. Of minerals produced by an element (elementary substance). There are about 90 natural elements in the earth's crust, accounting for 0.1% of the total weight of the earth's crust. Can be divided into metal elements, mainly platinum and copper, silver, gold, etc., non-metallic elements, carbon, sulfur, etc., half metallic elements, arsenic, bismuth and so on.
Q:Which thermal shock stability of clay brick and high alumina brick is good?
Generally, the thermal shock resistance of high alumina brick products is worse than that of clay brick products
Q:What is spalling resistant high alumina brick?
Spalling resistant high alumina brick is a kind of high alumina brick. Antistripping high alumina brick with high grade bauxite and containing Zr02 synthesis as raw material, according to a certain proportion by high pressure molding system in sintering products, products with anti stripping ability, and have the anti erosion potassium, sodium, sulfur, chlorine and alkali salt, low thermal conductivity and other properties that is the transition zone of cement kiln and decomposition of ideal material with remarkable characteristics, the product is good thermal shock resistance, strong ability to adapt to the environment. It is used in the preheating or decomposing furnace, grate cooler and so on.
Q:What are the high temperature refractory mortars made of?
Siliceous mud, mineral composition and chemical composition is similar with silica, excellent corrosion resistance, water glass slurry, drying shrinkage, but also can be used for bonding fiber products, sealing furnace wall.
Q:What are the requirements for Rubble backfill height?
Backfill should be filled with large stones, big face, small face upward, the decoration is stable, and then use small stones leveling, the gap between the stones can be swept into the slag, gravel, so that the gap filled.

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