Silica Brick for Hot-Blast Stoves S-97 System 1

Silica Brick for Hot-Blast Stoves S-97

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 15 m.t

Supply Capability:: 30000 m.t/month

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General Information
CMAX silica brick is a kind of acid refractory product which is mainly made of tridymite and cristobalite, and a small amount of quartz and vitreous. CMAX Silica bricks are made from high quality quartz tail sand, lime and mineralizing agent through the process of crashing, screening, mixing, pressing, drying and sintering.

Application
CMAX Silica bricks are commonly applied in

Coke oven

Hot blast stoves

Glass furnace

Features
High refractoriness under load
High mechanical strength
Excellent thermal shock resistance
Corrosion resistance.

Superior resistance to acids (including oxidizing)
Resistance to chlorine
Resistance to thermal shock and pressure changes
Low thermal and chemical expansion

Technical Data

ITEM	For Hot-Blast Stoves			For Glass Furnace
ITEM	S-94	S-95	S-95B	G-94	G-95A	G-95B	G-96A	G-96B
SiO2, %	≥ 94	≥ 95	≥ 95	≥ 94	≥ 95	≥ 95	≥ 96	≥ 96
Fe2O3, %	≤ 1.5	≤ 0.5	≤ 1	≤ 1.5	≤ 1.2	≤ 1.2	≤ 0.8	≤ 1
Residual Quartz, %	≤ 1	≤ 1	≤ 1	≤ 1
Apparent Porosity	≤ 23	≤ 23(24)	≤ 21(23)	≤ 24	≤ 22(24)	≤ 22(24)	≤ 22(24)	≤ 22(24)
True Density, g/cm 3	≤ 2.35		≤ 2.34	≤ 2.33	≤ 2.35	≤ 2.35	≤ 2.34	≤ 2.34
Cold Crushing Strength, Mpa	≥ 29.4	≥ 30(27)	≥ 30(20)	≥ 30	≥ 30(35)	≥ 30(35)	≥ 30(35)	≥ 30(35)
Refractoriness Under Load, º C		≥ 1650	≥ 1600	≥ 1630	≥ 1660	≥ 1650	≥ 1680	≥ 1670
Permanent Linear Change, %			1500º CX4h, ± 0.2	1450º CX2h, ± 0.5

$Refractory Silica Brick for Hot-Blast Stoves S-97$

Q: The introduction of silica brick: The silica mineral phase is mainly composed of tridymite and cristobalite, there is a small amount of quartz and glass

Q: Semisilica brick interpretation: Good thermal shock resistance. In use, more high viscosity glass phase can be formed, and the masonry brick joint and the working surface are dense and the masonry is complete, which is beneficial to improve the impermeability of the masonry and reduce the erosion effect of the slag on the masonry.

Q: What is the main material of silica brickIt's common, the kind we see so often!: More than 94% silica content. True density 2.35g/cm3. With acid resistance, slag erosion performance.

Q: How much is the highest melting point of silicon?: Mainly used for partition, carbonization chamber of coke oven and combustion chamber open hearth furnace regenerator and a sediment chamber, soaking furnace, glass melting furnace refractories and ceramic kiln, kiln vault and other load-bearing parts. Also used for high temperature bearing part of hot blast stove and acid open hearth furnace

Q: The United States of our brick anti-dumping duties?: . According to the relevant legal procedures, the United States International Trade Commission will make a final ruling on the anti dumping industrial injury before January 6, 2014, if an affirmative determination, the U.S. Department of Commerce will be involved in product release tax anti-dumping order.

Q: Why is the three oxidation of two silicon is very harmful impurities in silica brick: Can generate the material needs is the best way to see the impurity problem!! the first consideration is whether can get the material impurities with what method choice after the time! Miscellaneous reactions cannot have new impurity formation! Selected cannot and need material reaction reagent!

Q: Common bond brick?: Lime should contain a lot of active CaO, I decompose CaCO3 and MgCO3 not more than 5%, Al2O3+Fe2O3+SiO2 no more than 5%. When the content of large particles, burned Ca-CO3 and over burned lime, the product produced caves, affecting the quality of products.

Q: Brick: An acid refractory consisting mainly of quartz and square quartz and a small amount of residual quartz and glass.More than 94% silica content. True density 2.35g/cm3. With acid resistance, slag erosion performance. Higher high temperature strength. The softening start temperature is 1620~1670 degrees. Long term use at high temperature without deformation. The thermal shock resistance is low (the heat exchange in water is 1~4 times). The natural silica is used as the raw material, and a proper amount of mineralizer is used to promote the transformation of quartz into quartz in the body. Slowly sintered at 1350~1430 DEG C in the reducing atmosphere. When heating up to 1450 degrees, the total volume of 1.5~2.2% expands, and the residual expansion can close the kerf and ensure the airtight and structural strength of the masonry.

Q: The chemical composition of silica brick and its physicochemical index?: ????Al2O3 SiO2??????fe2o3??????cao???????r2o93～98?0.5～2.5?；；?0.3～2.5??0.2～2.7；??1～1.5；

Q: Physical solid waste disposal: Too much addition will reduce the refractory and mechanical strength, increase porosity, so the amount of waste brick should not be too much.

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