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Zhengzhou Dongfang Ancai Refractory Co., Ltd.

China Manufacturer with main products: Refractory, Fused-Cast AZS, Alpha-Beta Refractory, Sintered Refractory

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Sillica Brick for High Blast Furnace

FOB Price: 3,000.00 - 5,000.00 USD/Metric Ton
Supply Ability: 15,000 Metric Ton per Year
Shipping: Qingdao or Tianjin
Payment Terms: L/C, T/T, D/P
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Henan in China
Packaging Details: standard international seaworthy packing


Silica bricks are the key refractories for high temperature area of industrial kilns and furnaces including coke oven, hot blast
Name   Item Silica brick     for coke oven     G-D    Silica brick          for hot      blast stoves       RG-94 Silica brick       for glass furnace     BG-95 Normal Silica brick
GZ-95 GZ-94 GZ-93
Chemical Competent % SiO2 ≥93 ≥94 ≥95 ≥95 ≥94 ≥93
Al2O3 ≤1.5 ≤1.0 ≤1.0      
Fe2O3 ≤1.5 ≤1.5 ≤1.0      
CaO ≤3   ≤2.5      
True density,g/cm3 ≤2.34 ≤2.34 ≤2.34 ≤2.37 ≤2.38 ≤2.40
Apparent porosity,  % ≤22 ≤22 ≤22 ≤22 ≤23 ≤25
Cold crushing strength, Mpa ≥35 ≥35 ≥35 ≥30 ≥25 ≥20
Refractoriness ºC ≥1690 ≥1710 ≥1710 ≥1710 ≥1710 ≥1690
Initial soften point under load(ºC)2MPa×0.6% 1650 ≥1650 1650 ≥1650 ≥1640 ≥1620
Creep rate(%) 2MPa 1550ºC×2h   ≤1        
Permanent linear change on reheating,% 1450ºC×2h   +0.2        
Thermal expansion,% (1000ºC) ≤1.25 ≤1.25 ≤1.26      
Application coke oven high temperature part of regenerator of hot blast stove glass furnace coke oven, hot blast stove, glass furnace and other kinds      of industrial furnaces

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