Mullite Light- weight Insulating Bricks are made of high pure materials, fired at high temperature by advanced technology, with the advantages of high strength, high compression resistance, good thermal shock resistance, good performance in high temperature, good thermal conductivity, good erosion resistance and so on. Widely be used for linings of furnace in industries.z
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.
Mullite bricks refer to high-alumina refractories with mullite as the main crystalline phase, and the general alumina content is between 65% ~ 75%. It is mainly used for hot blast furnace top, blast furnace body and bottom, glass melting furnace regenerator, ceramic sintering kiln, petroleum cracking system dead angle furnace lining, etc. Mullite bricks have high refractoriness, up to more than 1790 C, and have good thermal shock resistance. There are two types: sintered mullite bricks and fused mullite bricks. The crystallization of fused mullite is larger than that of sintered mullite, and the thermal shock resistance is better than that of sintered products. Aluminum content: 65-90% Standard brick size: 230*115*65mm Compressive strength at room temperature: 100-120MPa Good thermal shock resistance:
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
Mullite Steel Fiber Reinforced Refractory Castable is made from high quality synthetic mullite aggregate, high temperature filler, ultrafine powder and high temperature binder combination, with high temperature structure strength, high temperature Low creep rate, low coefficient of thermal expansion, anti-peeling, strong corrosion resistance, quick release, anti-burst, thermal shock stability and other advantages, successfully used in cement kiln before and after the kiln, industrial kiln lining, Ditch cover lining and other projects, the effect is outstanding.
Mullite Steel Fiber Reinforced Refractory Castable is made from high quality synthetic mullite aggregate, high temperature filler, ultrafine powder and high temperature binder combination, with high temperature structure strength, high temperature Low creep rate, low coefficient of thermal expansion, anti-peeling, strong corrosion resistance, quick release, anti-burst, thermal shock stability and other advantages, successfully used in cement kiln before and after the kiln, industrial kiln lining, Ditch cover lining and other projects, the effect is outstanding.
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.
High temperature Resistant Sk-34 Sleeve Bricks for Sale Product Description High temperature Resistant Sk-34 Sleeve Bricks for Sale are mainly made from chamotte, flint clay and combining clay powder, being high pressure pressed and sintered in high temperature. Low porosity bricks are made from low mullite stones, the main mineral composition of the low mullite stones are pressed and sintered mullite phases. High temperature Resistant Sk-34 Sleeve Bricks for Sale have very good physical and chemical properties in high temperature conditions. High Temperature Resistant Sk-34 Sleeve Bricks for Sale Features and advantages of High temperature Resistant Sk-34 Sleeve Bricks for Sale: 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. Application High temperature Resistant Sk-34 Sleeve Bricks for Sale are widely used in all parts of furnace lining for middle and small capacity furnace such as glass furnace,blast furnace, hot blast furnace, cement furnace, chemical furnace and other heating-engineering equipment. Packing Details of High temperature Resistant Sk-34 Sleeve Bricks for Sale: 1.International standard seaworthy exportable packing. 2.Wooden pallet. 3.Wooden / bamboo case (box).. 4.Further packing information will be based on customer's requirements. High Temperature Resistant Sk-34 Sleeve Bricks for Sale Shipping Details of High temperature Resistant Sk-34 Sleeve Bricks for Sale: 1.The sample willl be send by International expresses FEDEX/DHL/UPS/TNT. 2.The goods are transport by shipping.
Product Description High Quality Burnt Magnesia Chrome Bricks are refractory products with magnesium oxide (MgO) and chromium oxide (Cr2O3) as the main components, and periclase and spinel as the main mineral components. This kind of brick has high refractoriness, high temperature strength, strong resistance to alkaline slag erosion, excellent thermal stability, and also has certain adaptability to acid slag. The main raw materials for making magnesia-chrome bricks are sintered magnesia and chromite. The purity of magnesia raw materials should be as high as possible. Application of Magnesia Chrome Brick With advanced production technology, technical equipment, integrated and scientific quality control system, the magnesia chrome bricks are widely used in the field of metallurgy, cement, glass, electricity, oil, chemical engineering, machinery, aerospace, construction Packing Details of the Magnesia Chrome Brick: 1.International standard seaworthy exportable packing. 2.Wooden pallet. 3.Wooden / bamboo case (box).. 4.Further packing information will be based on customer's requirements.
Explosion-proof quick-drying castables can significantly improve the permeability of the lining made of unshaped refractories, prevent and prevent the lining from cracking or exploding during the baking process due to excessive internal vapor pressure! Explosion-proof quick-drying castable is designed to meet the heating furnace construction time is short, baking fast heating, long life and the requirements of the development of high-performance refractory castable, oven time of 2-4 days, and ordinary conventional refractory castable to be 9 -15 days compared to effectively save oven time and reduce the production cycle. The series of castable can be applied to various parts of industrial furnaces, has been in a number of steel mills at home and abroad on the successful use of the furnace, is a variety of furnace repair, large and small repair of the ideal material.
Dry anti-penetration castable to extend the life of the cathode liner has a positive effect. On the one hand can buffer the cathode carbon block uplift; the other hand can strengthen the bottom of the security The ability to reduce the heat loss at the bottom of the tank and to increase the temperature of the cathode carbon block itself and to reduce the temperature gradient between the upper and lower sides of the cathode carbon block. Due to dry Dry anti-penetration castable can be infiltrated with the electrolyte to produce a layer of 5 to 15 mm thick, dense glass-like kaolin barrier layer: This barrier, on the one hand, prevents the electrolyte from continuing to penetrate the lower part and protect its lower part The temperature of dry anti-penetration castable is not destroyed; the other hand, because the barrier layer with plasticity and particle layer has a certain compressibility, can effectively alleviate the furnace uplift, Deformation of the tank shell and other issues. Therefore, in the aluminum furnace in the furnace process, it can be placed directly on the insulation brick, the compaction of the upper part of the upper directly placed.
Alumina hollow ball castable is a new type of high temperature insulation material, it is made of industrial alumina in the melting furnace made of the crystal, a-Al2O3 microcrystalline crystal. To alumina hollow ball as the main body, can be made into a variety of shaped products, the maximum temperature of 1800 , high mechanical strength of products for the general light products several times, while the bulk density is only half of corundum products.
Zircon brick is suitable for working under pressure with its good thermal shock resistance. In metallurgical industry, zircon brick is widely used in ladle lining, casting export, high temperature induction furnace lining and so on. With the strong resistance to acid slag and glass liquid, in glass industry, zircon brick is applied to severely damaged parts of glass furnace. In addition, crucible, pipe, boat, dish and test container made by zircon brick are widely used in place related to high temperature. Zircon brick with high density and low porosity is suitable to the liner of glass furnace of glass fiber.
IF furnace lining material, also known as the frequency furnace furnace charge, the middle frequency furnace dry vibration material, IF furnace dry charge, the frequency furnace ramming material, sub-acid, neutral, alkaline furnace lining, acid lining is high purity quartz, Fused silica as the main raw material to composite additives for the sintering agent; neutral furnace lining is alumina, high aluminum materials as the main raw material to composite additives for the sintering agent; alkaline furnace lining is high purity fused corundum, high purity Fused magnesia, high purity spinel as the main raw material to composite additives for the sintering agent.
