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High Alumina Checker Bricks

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  High alumina checker bricks have excellent thermal performance such as large heat storage area, smooth ventilation, and low resistance. It is also a heat transfer medium, mainly used for heat storage in the upper part of the regenerator of the hot blast stove. It plays an important role in the process of heating cold air into hot air. Features Has good volume stability. With high temperature load creep performance. High density, low porosity. High Alumina Checker Bricks Specifications Item RL-65 RL-55 RL-48 Al2O3 (%) ≥65 ≥55 ≥48 Refractoriness (℃) ≥1780 ≥1760 ≥1740 Refractoriness Under Load of 0.2MPa, ℃ ≥1500 ≥1470 ≥1420 Linear Change after Reheating, %, 1500℃x2h 0.1~-0.4 0.1~-0.4 0.1~-0.4 Apparent Porosity (%) 23 22 22 Cold Crushing Strength, MPa ≥50 ≥45 ≥40 Application It is mainly used for hot blast stoves. When the temperature is under 900℃, fire clay brick is used; while the temperature is higher than 900℃, the material of checker brick should be high alumina, mullite, sillimani
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High Alumina Anchor Bricks

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  High alumina anchor bricks are made of natural high-grade bauxite as the main refractory raw material, adding soft or semi-soft clay as a binder to the high-alumina clinker to start batching, mixing, molding, drying, and finally firing. Shaped high alumina refractory bricks. Characteristics High temperature volume stability. Good corrosion resistance. High softening temperature under load. Anti-peeling, high compressive strength. High Alumina Anchor Brick Specifications Item Al2O3 (%) ≥55 ≥60 ≥75 CaO (%) ≤2 ≤2 ≤2 Cold Crushing Strength, MPa ≥50 ≥50 ≥55 Tensile Strength, MPa ≥4 ≥4.1 ≥4.2 Refractoriness under load 0.2MPa, °C ≥1450 ≥1500 ≥1520 Apparent Porosity, % ≤22(24) ≤23(24) ≤21(23) Bulk Density, g/cm3 2.3 2.35-2.4 2.5-2.6 ting Permanent Linear Change (1500°Cx2h), % -0.4~+0.2 -0.3~+0.2 -0.3~+0.2 Application High-alumina anchor bricks are refractory bricks for the furnace roof and wall of the heating furnace, which can meet the needs of the lining of the heating furnace, ensure the
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Phosphate High Alumina Brick

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  Phosphate high alumina bricks are made of high-quality high-alumina bauxite, combined with aluminum dihydrogen phosphate, and dried in an oven. Characteristics Phosphate high alumina bricks have high load softening temperature, high compressive strength, good thermal shock stability, wear resistance and peeling resistance. It has the characteristics of stable performance, short construction period, energy saving and environmental protection. Phosphate High Alumina Brick Specifications Item Chemical Bonded Phosphate Bonded – P Phosphate Bonded – PA High RUL Al2O3 (%) ≥75  ≥75  ≥80  ≥78 Fe2O3 (%) ≤2 ≤2 ≤2 ≤2 CaO (%) 0.6 0.6 Bulk & Density, g/cm3 2.65 2.7 2.75 2.8 Refractoriness ( ℃) ≥1770 ≥1790 ≥1790 ≥1790 Apparent Porosity (%) ≤18 ≤18-21 ≤20 ≤19 Cold Crushing Strength MPa ≥60 ≥70 ≥75 ≥80 Refractoriness Under Load of 0.2MPa, ℃ ≥1400 ≥1350 ≥1450 ≥1460 Thermal Shock Resistance (1100 ℃ -water cooling), times 15 20 Application Phosphate high alumina bricks are mainly used in dry proces
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High Alumina Brick SK36/38

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  High Alumina Brick SK36/38 are formed and calcined from bauxite or other raw materials with high alumina content. High Alumina Brick SK36/38 Characteristics High temperature resistant. Chemical erosion resistant. Thermal stability. Slag resistance. High Alumina Brick Specifications Item/Grade SK36 SK37 SK38 SK40 AL2O3 (%) 55 65 70 82 Fe2O3 (%) 2 2 2 2 Refractoriness(SK) 36 37 38 40 Refractoriness underload, 0.2MPa, °C ≥1450 ≥1480 ≥1530 ≥1600 Apparent porosity (%) 20-23 20-23 20-22 18-20 Bulk density (g/cm³) 2.25-2.4 2.3-2.5 2.4-2.6 2.5-2.7 Cold crushing strength ,MPa ≥45 ≥50 ≥60 ≥70 Applications Furnaces of metallurgy industry, heat treatment furnace. Furnaces of chemical industry and construction industry. Furnace of incineration of garbage, recirculating fluidized bed furnace.
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Silicon Bricks For Glass Kiln

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  The SiO2 content of silica bricks for glass kilns is 96-98%. Its density is 2.35-2.38g/cm3. It has high structural strength at high temperature, such as high load softening temperature (1640~1700℃) and low creep rate. After absorbing a small amount of alkali components in addition to very slight fusion corrosion, and doesn’t reduce the structural strength of the kiln roof. Product characteristics of silica bricks for glass kiln High temperature volume stability. The glass liquid is slightly polluted. Chemical corrosion resistance. Small bulk density, which can reduce the weight of the furnace body. Silicon Bricks For Glass Kiln Specifications Item K BG-96 a K BG-96b K BG-9 5 SiO2 (%) ≥96 ≥96 ≥96 FeO3 (%) ≤0.6 ≤0.6 ≤0.6 Melting index, Al2O3+2R2O3 (%) ≤0.5 ≤0.7 – Apparent porosity (%) ≤21 ≤ 22 ≤ 22 True Density (g/cm3) ≤2.34 ≤2.34 ≤2.34 0.2MPa Load softening temperature (℃) ≥1680 ≥1670 ≥1670 N ormal temperature compressive strength (MPa) ≥40 ≥35 ≥ 30 re-burn line change. 1450℃*2h  (%)
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Silica Bricks For Hot Blast Furnaces

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  Silicon bricks for hot blast furnaces are used for masonry of high temperature parts of blast furnace hot blast furnaces with scaled quartz as the main crystalline phase of silica refractory products. Product characteristics of silica bricks for hot blast furnace Under long-term high temperature and high load conditions, the volume is stable and the high temperature creep rate is low, and it can be used continuously for 1 or 2 blast furnaces. Good thermal shock resistance above 600 degrees, adapt to the change of hot blast furnace temperature and keep the masonry intact. chemical resistance is better than clay bricks and general high alumina bricks. The thermal conductivity of silica bricks for hot blast furnace is greater than clay bricks and high alumina bricks, which is good for storing and releasing heat in a short time. Silica Bricks for Hot Blast Furnaces specification Item Vault and furnace wall tiles Checker bricks SiO2 (%) ≥95 ≥95 Al2O3 (%) ≤1.0 ≤1.0 Fe2O3 (%) ≤1.2 ≤1.2 Appa
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Silica Bricks For Coke Oven

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  Silica bricks for coke oven are mainly used for regenerator wall, ramp, coking chamber bottom, furnace wall and furnace roof of coke oven. Coke Oven The coke oven is a complex thermal equipment that is used continuously for a long time. Its purpose is to heat coal to 950-1050°C for dry distillation under the condition of isolation of air to obtain coke and other by-products.  Silica brick  has become the main refractory material for coke ovens due to its good thermal conductivity, high load softening temperature, good mechanical strength at high temperature, stable volume change at high temperature, high refractoriness, small residual expansion, and strong resistance to acid slag erosion. Product characteristics of silica bricks for coke oven Silica brick has become the main refractory material for coke ovens due to its good thermal conductivity, high load softening temperature, good mechanical strength at high temperature, stable volume change at high temperature, high refractorines
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