Light Weight Mullite Brick

Corundum mullite poly light brick is a new type of energy efficient refractory material, can directly contact the flame, with high temperature, high thermal shock stability, high strength, small thermal conductivity and other characteristics. Widely used in ceramic roller kiln, shuttle kiln, cracking furnace, hot stove and a variety of electric furnace lining, door bricks, kiln tiles and so on. Characteristics 1.Low thermal conductivity, with a good thermal insulation effect 2.Low hot melt, due to low thermal conductivity, mullite series of light insulation brick accumulated little heat, in the intermittent operation of energy-saving effect is obvious 3.High purity,high refractoriness,and the high alumina content make it maintain good performance in a reducing atmosphere. 4.High thermal compressive strength 5. Extend the life of the lining 6.Could make in special shape to reduce the application amount of bricks. Al2O3 62 62 KO2+NaO20.10.08 Fe2O30.50.5 Bulk Density g/cm3 0.9 1.0 Cold Compressive Strength mpa 4.5 5.5 Refractoriness Under Load 1#1500 1500 Reheating liner change 15002h,0.1Mpa -1.5 -1 Refractorinessb 1700 1750

Refractory and insulating bricks has low thermal mass which means that it does not retain heat, low thermal conductivity and is an extremely effective insulation material. Dita refractory and insulating â product family is a group of lightweight, thermally efficient ceramic fiber insulating materials that combine the advantages of dimensional stability at high temperatures with complete resistance to thermal shock. Featuring a broad range of thermal capabilities and physical characteristics, this product family provides proven and effective solutions to a variety of heat processing applications.

Silica mullite brick is a special high-alumina bauxite and silicon carbide as raw materials, made by a special sintering process, with a strong high wear resistance, thermal shock stability characteristics, in the course of the formation of protective layer, and other characteristics. Mainly used for cement rotary kiln transition zone, decomposition zone. Feature: High refractoriness under load Highâ temperature resistance Lowâ thermal conductivity Good insulatingâ property High flexibility Proper bulk density -

Mullite lightweight brick It was made of mullite and other fine raw refractory materials with advanced techniques. It is a kind of new popular energy-saving material widely used in metallurgy, ceramics, glass and chemical industry, glass and chemical industry as high temperature liner, such as in pyrolyzers, chemical industry furnace, metallurgy industry furnace, heating furnace, electric resistance furnace, roller kiln, tunnel kiln and shuttle kiln.

High aluminum poly light brick with a small density, low thermal conductivity, thermal insulation performance, quality and stability characteristics. Can be used for all kinds of high-temperature furnace lining or insulation layer. z

Silica bricks are the main species of silica-based refractories, where the mass fraction of SiO2 is not less than 93%. Silica brick is a typical acid refractory bricks, the acid slag has a good resistance to Al2O3, FeO, Fe2O3 and other oxides also has good resistance, but the resistance to alkaline slag is poor, easy to CaO, K2O, Na2O and other oxides and damage. Features: 1.Good acid and erosion resistance, powerful anti high-temperature strength. 2.Soften melting temperature is 1620~1670 °C. 3.Low thermal shock resistance. 4.Natural silica as raw material, plus regular mineralizer. 5.Ensure good bonding and structural strength of furnace. 6.Good heat resistance and long service life. Application: 1.Glass melting furnace, ceramic frit kiln, sodium silicate furnace, soaking furnace, ceramic kiln, etc 2.Coke oven's coking chamber, combustion chamber walls, steel open-hearth's regenerator and sediment chamber, etc. 3.Load-bearing parts of high temperature hot air furnace and acid open-hearth furnace roof, etc. Items Fire Proof Thermal Insulating SiC+SiO2,% 30 - Al2O3,% 65 50 Bulk Density,g/cm3 2.65 - Apparent Porosity,% 19 25 Cold Compressive Strength,Mpa 90 40 Refractoriness UnderLoad, ºC 1650 1680 ThermalShock Resistance,cycles(1100 ºC,water cooling) 20 20 Thermal Conductivity,w/m.k(350 ºC) 2.5 1.4

High Alumina Brick, RefractoryHigh Alumina Brick, High Alumina Fire Brick for Blast Furnace Low creep high alumina brick for blast furnace is made of corundum, mullite "sillimanite, andalusite and kyanite" and high quality bauxite clinker as raw material by shaping at high pressure and sintering at high temperature. Characteristic: 1.The content of AL2O3 is 48%. 2.High refractoriness. The temperature is up to 1750~1790�ºC, it belongs to High-duty Refractory. 3.High refractoriness under load. The URL is higher than fireclay brick as the high content of Al2O3, however, it is lower than silica brick because of mullite crystal does not form reticular tissue. 4.Excellent slag resistance. High alumina brick is a kind of neutral refractory material so it enjoys excellent resistance to acid slag and alkali slag corrosion. Application: The main markets for low creep high alumina brick are building lining of hot-blast stove, blast furnace, coke oven, rotary kilns of cement and so on. High Alumina Brickis made fromhigh grade bauxite,it has the advantage of high refractoriness under load,long service time,good thermalinsulation performance andso on

Different kinds of industrial furnace.Such as:Hood furnace, heating furnace, cracking furnace, heat treatment furnace, shuttle kiln, tunnel kiln, roller kiln, enamel kiln, ceramic kiln ceiling and wall and insulation lining materials. Item Index Al2O3 75 85 SiO2 22 12 CCS Mpa 90 100 MOR Mpa 16 16 RUL 1500 1550 Thermal shock resistant 900 (times) 20 30 CC 6 5 HR W/m.k (

Copper Smelting furnace use High Alumina Corundum Fire Brick have stable quality and excellent durability.Copper Smelting furnace use High Alumina Corundum Fire Brick are made mainly of calcined alumina, mullite, corundum of high purity.Copper Smelting furnace use High Alumina Corundum Fire Brick have low porosity, excellent hot strength and creep resistance, and good volume stability at high temperature, Copper Smelting furnace use High Alumina Corundum Fire Brick have been developed to meet the most demanding specifications for various industrial applications. Brand Properties HT-98 HT-95 HT-90 HT-85 Chemical Composition (%) Al2O3% 98.5 95 90 85 SiO2% 0.3 3.0 9.0 13 Fe2O3% 0.2 0.2 0.5 0.5 Apparent Porosity (%) 18 18 18 20 Bulk Density (g/cm3) 3.1 2.95 2.9 2.75 Cold Crushing Strength (MPa) 90 80 80 70 Refractoriness Under Load (�ºC) 1700 1650 1650 1700 Permanent Linear Change (%) 0.1 0.2 0.2 0.3 Main Applications Carbon reactor furnace Pertrochemical furnace Industry ceramic kiln Refractory tunnel kiln Various high-temp Furnace Copper Smelting furnace use High Alumina Corundum Fire Brick 1.High refractoriness, 2.High-temperature endurable. 3.Good corrosion resistance. 4.Good spalling resistance and wear resistance. 5.Good thermal shock resistance. 6.High mechanical strength. 7.High-temperature creep rate is low. 8.Good volume stability at high temperature.