Silica Brick for Coke Oven - Best Seller

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Specifications

silica bricks for coke oven passed ISO certified
1.good resistance to acid slag and good heat conductivity
2.RUL 1620

best-selling silica bricks for coke oven passed ISO certified .it is made of quartz stone material,the content od Sio2 is above 93%,it has good resistance to acid glad and good heat conductivity,and the refractoriness is 1690-1710.C,RUL is beyond 1620.C

items	Furance bottom/ furancre wall	rests	allow deviation
SiO2 %	≥94.5		-
Al2O3 %	≤1.2		-
Fe2O3 %	≤1.2		-
CaO %	≤2.5		-
0.2MPa RUL (°C)	1650		-10
True density (g/cm3)	≤2.33	≤2.34	+0.01
Residual quarlz%	≤1.0		-
AP%	≤22	≤24	+1
CCS(MPa)	≥40	≥35	10%
PLC(1450°C *2h) %	0~0.2		-
Thermal expansion(1000°C) %	≤1.28	≤1.30	+0.03

Best-selling Silica Bricks For Coke Oven

Q: Because of the recent relates to this industry, by way of learning to name for all raw materials, I hope knowledgeable friends exhibitions, thank you.: The main raw material is the main body of refractory. Auxiliary raw materials can be divided into binders and additives. The role of bonding agent is to make the refractory body in the production and use process has enough strength. There are commonly used lignin, phenolic resin, asphalt, cement, water glass, phosphoric acid and phosphate, sulfate, some main raw material itself has the effect of binder, such as clay; additive is to improve the production of refractory materials and construction technology, or strengthen the refractory material of some properties, such as stabilizer, water reducing agent, inhibitor, plasticizer, foaming agent, dispersing agent, bulking agent, antioxidant.

Q: The hot blast stove when the temperature did not rise against the brick interface decreased: Insulation of hot blast stove, key insulation silica brick hot stove, hot blast stove is shutdown or need repairing in blast furnace.

Q: Why will expand when heated brick: In the process of SiO2 drying, the four crystalline transformation points of 117, 163, 180~270 and 573 DEG C are found, among which the volume expansion caused by the 180~270 is the largest.

Q: What is the effect of the content of silicon nitride in silicon nitride bonded silicon carbide brick on the use of electrobath? Thank you: The main damage of silicon carbide side wall brick is stress damage, not chemical erosion. Chemical damage is formed prior to the formation of the groove, and the damage to the chemical erosion is little after the formation of the groove.

Q: The introduction of silica brick: The characteristics of silica brick:Brick belongs to refractory materials, with strong resistance to acid slag or acid solution erosion ability, high load softening temperature are excellent properties of silica brick, usually 1640-1680 C.The use of silica brick:Mainly used for masonry brick oven carbonization chamber, a combustion chamber and a partition wall, glass furnace and kiln roof, pool wall, high temperature hot blast furnace, glass furnace, load-bearing pool wall, hot blast stove, baking furnace of carbon bearing part of high temperature furnaces etc.. Rongsheng with refractory

Q: Glass kiln brick for physical and chemical indicators?: Glass kiln with high quality silica brick products according to the standard JC/T615-1996, the single brick is divided into 3 grades: XBG-96, ZBG-96, DBG-96.

Q: Can not use it two brick: Acidic silica brick refractory material, has good ability in acid slag erosion

Q: The difference between clay refractory bricks and refractory brick in the application.: Clay brick features good thermal shock resistance and low price, but high temperature performance is not well integrated, and the long-term use temperature is not higher than 1300 degrees. It is widely used in low temperature parts of various kilns.

Q: Why in the production of the brick to detect the volume density: Product quality control of silica brick.

Q: Such purpose and scope please give me detailed points thank you: Acid refractory brick is mainly composed of tridymite and cristobalite and quartz and a small amount of residual glass phase.

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