A brief introduction of silica brick
Silica brick is a kind of acid refractory mainly made from tridymite, cristobalite and a small amount of residual quartz as well as glass phase. The raw material is natural silica sand whose SiO2 content should be more than 96%. The higher SiO2 content in silica sand, the higher temperature silica bricks resist. Silica bricks are used in the roof and superstructure of glass melting tanks as well as for hot repairs.
Our silica brick advantages
--Adopts high quality silica and advanced technology, our silica bricks enjoy the advantages of high purity, long service life, good thermal conductivity, high refractoriness under load, and good creep resistance.
--In addition, it has accurate size tolerance, pure color and luster appearance.
--Because of the good thermal shock resistance of silica brick, it is mainly used in the continuous operating furnace.
--Supporting the use of other high quality refractories, our silica brick can extent the service life of float glass furnace to 8 years and double the service life of bottle glass furnace.
Applications
The silica brick can be widely used in coke oven, hot blast furnace, glass furnace and carbon furnace. In glass industry, it is mainly employed to build the doghouse crown, suspended wall of channel, top crown and inlet sealing. In detail, silica bricks plays the following role in different fields:
--being the partition walls in coke oven carbonization and burning chamber;
--metallurgy industry: used as refractories for steel making open hearth regenerator, slag pocket, soaking pit;
--arch crown and other weight bearing areas in ceramic kilns, hot blast furnace and acid open hearth;
--worked as building checker chamber, chute, combustion chamber, coking chamber and furnace arch in glass melting furnaces.
Specifications
1.Higher SiO2 content of more than 96%, with true density of 2.34g/cm3, thus it has good performance in corrosion of acid slag.
2.Excellent resistance in high temperature. The melting temperature under load is 1620-1670â??. Durable, with no deformation under high temperature.
3.Good thermal shock resistance, High heat conductivity.
4.At 1450, there is 1.5-2.2% overall expansion which makes the joint-cutting dovetailed, thus silica bricks have good air tightness and strong structure.
Silica brick is a kind of acid refractory mainly made from tridymite, cristobalite and a small amount of residual quartz as well as glass phase. The raw material is natural silica sand whose SiO2 content should be more than 96%. The higher SiO2 content in silica sand, the higher temperature silica bricks resist. Silica bricks are used in the roof and superstructure of glass melting tanks as well as for hot repairs.
Description Adopts high quality silica and advanced technology, our silica bricks enjoy the advantages of high purity, long service life, good thermal conductivity, high refractoriness under load, and good creep resistance. In addition, it has accurate size tolerance, pure color and luster appearance. Because of the bad thermal shock resistance of silica brick, it is mainly used in the continuous operating furnace. Supporting the use of other high quality refractories, our silica brick can extent the service life of float glass furnace to 8 years and double the service life of bottle glass furnace. It is widely used in coke oven, hot blast furnace, glass furnace and carbon furnace. Applications The silica brick can be widely used in coke oven, hot blast furnace, glass furnce and carbon furnace. In glass industry, it is mainly employed to build the doghouse crown, suspended wall of channel, top crown and inlet sealing. In metallurgy industry, it is adopted as the nozzle brick. The main applications Doghouse crown, suspended wall of channel, top crown and inlet sealing of glass furnace High temperature part of coke oven. Specifications High purity Long service life Accurate size tolerance Pure color Luster appearance Advantages Good thermal conductivity High refractoriness under load Good creep resistance High refractoriness
Magnesia Bricks Description Magnesia Bricks are alkaline refractory materials. These products have over 90% magnesium oxide content and adopt periclase as the principal crystalline phase. Magnesia Bricks can be divided into two categories of Burnt Magnesia Bricks and Chemical Bonded Magnesite Brick. They have excellent performance of superior high temperature mechanical strength and volume stability. Magnesia Bricks can service in the high temperature of 1750.. They are ideal products for glass furnace application. Magnesia Bricks Features: It is a kind of alkaline refractory product with periclase as main phase magnesite-alumina spinel clinker as basic material. the product has such characteristics as good temperature vibration, good strength and volume stability in high temperature. Magnesia Bricks Application Basic open-hearth furnace for steelmaking Electric furnace bottom and wall Permanent lining of oxygen converter Non-ferrous metal metallurgy furnace Hyperthermia tunnel kiln Lining of rotary cement kiln Heating furnace bottom and wall Regenerative chamber of glass furnace Magnesia Bricks Properties High Refractoriness Good alkaline slag erosion resistance High apparent initial softening temperature Good thermal conductivity High thermal expansion Magnesia Bricks Manufacturing Process Burnt Magnesia Bricks are manufactured with magnesite clinker as the raw material and fired in the high temperature of 1550~1600 after smashing, burdening, mulling and molding. High-purity products can be fired in the temperature that over 1750. Chemical bonded magnesite brick is produced with certain chemical bonding through mixing, molding and drying.
PRODUCT DATA SHEET ACID RESISTANT BRICK Material : RED SHALE Type Acid Resistant Brick Size (mm) 230 (LENGTH) X 115 (WIDTH) X 100,76,65,50,40,38,30,25 (THICK) Specification : ASTM C279, ASTM C410, IS 4860-1982 DESCRIPTION : We offer premium quality acid resistant bricks Red â?? Shale , tiles and special shapes. We also offer customized sizes as per clients' requirements. Our acid bricks comply with ASTM C279 Type-III, ASTM C410 Type H, L, and Indian Standard 4860 - 1982 Class-I for all applications where low absorption and high acid resistance is required. FEATURES OF ACID RESISTANT BRICK: Excellent resistant against wide range of chemicals except hydrofluoric acid, high abrasion resistance, low wearing properties, High Thermal resistant to sudden change in temperature AREA OF APPLICATION: Chemical Analysis (Average) Acid and Alkali Storage Tank Farms Demineralization plants and Water treatment plants Chimney inside lining, FGD linings Towers and Columns Process Vessels and Tanks Sewerage Treatment Plants and Lines Industrial Flooring and Bund Areas Chimney and Flue Gas Linings Hoppers and Chutes SiO266.4 Al2 0324 TiO21.1 Fe2 O31.1 K2 O + Na2 O2.5 NOT RECOMMENDED: HF acid or other fluoride solutions Heavy thermal shock Typical Physical Properties of GANESHAS Acid and Chemical Resistant Brick Characteristic RED SHALE ACID RESISTANT BRICK Test Standard Bulk Density, gm/cc - 2.3 to 2.35 ASTM C-20 -Water Absorption, % - 0.1 to 1.5 IS 4860-1968 Apparent Porosity, % -0.5 to 1.75 S 4860 Acid Solubility (H2SO4), Loss in Mass,% -0.1 to 1.8 ASTM C-279 Modulus of Rupture, PSI -2133 to 3555 ASTM C-67 Compressive Strength, Kg/cm2 - 700-900 IS 4860-1968 Abrasion Resistant , Volume in mm3 -69 to 85 EN 102 Surface Hardness, MOHS Scale - 7
PRODUCT DATA SHEET ACID RESISTANT BRICK Material : FIRECLAY Type Acid Resistant Brick Size (mm) : 230 (LENGTH) X 115 (WIDTH) X 100,76,65,50,40,38,30,25 (THICK) Specification : ASTM C279, ASTM C410, IS 4860-1982 DESCRIPTION : * We offer premium quality acid resistant bricks Red â?? Shale , tiles and special shapes. We also offer customized sizes as per clients' requirements. Our acid bricks comply with ASTM C279 Type-III, ASTM C410 Type H, L, and Indian Standard 4860 - 1982 Class-I for all applications where low absorption and high acid resistance is required. FEATURES OF ACID RESISTANT BRICK: * Excellent resistant against wide range of chemicals except hydrofluoric acid, high abrasion resistance, low wearing properties, High Thermal resistant to sudden change in temperature AREA OF APPLICATION: Chemical Analysis (Average) Acid and Alkali Storage Tank Farms Demineralization plants and Water treatment plants Chimney inside lining, FGD linings Towers and Columns Process Vessels and Tanks Sewerage Treatment Plants and Lines Industrial Flooring and Bund Areas Chimney and Flue Gas Linings Hoppers and Chutes SiO266.4 Al2 0324 TiO21.1 Fe2 O31.1 K2 O + Na2 O2.5 NOT RECOMMENDED: HF acid or other fluoride solutions - Heavy thermal shock Characteristic Fireclay Type Acid Resistant Brick - Test Standard Bulk Density, lbs/ft3 - 2.25 to 2.30 ASTM C-20 Water Absorption, % - 0.1 to 1.8 ASTM C-20 Apparent Porosity, % - 4.05 to 4.14 ASTM C-20 Acid Solubility (H2SO4), Loss in Mass,% - 6.1 to 6.8 ASTM C-279 Modulus of Rupture, Mpa - 14.6 ASTM C-67 Compressive Strength, PSI - 15500 to 17250 ASTM C-67 Abrasion Resistant , Volume in mm3 - 71 to 96 EN 102 Surface Hardness, MOHS Scale - 7 Thermal Conductivity, BTU-in/hr-ft-F - 6.94 to 7.12 ASTM C-236 Thermal Expansion Coefficient,in/in/Fx10-6 - 2.6 to 2.8 EN 103
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