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Heat Resistance Fire resistant brick SK30/SK32/SK34 refractory brick
Heat Resistance Fire resistant brick SK30/SK32/SK34 refractory brick is an ideal insulating refractory refractory material, with advantages of high strength, low thermal conductivity, good insulation property and low price. For various industrial kilns & furnaces, it is a kind of essential refractory for energy saving and temperature preservation.
Heat Resistance Fire resistant brick SK30/SK32/SK34 refractory brick is also called high alumina insulating brick. It contains more than 48% Al2O3 and mainly consists of mullite and glass phase or corundum. Heat Resistance Fire resistant brick SK30/SK32/SK34 refractory brick is usually made of high bauxite and a small amount of clay. After the raw materials are grounded, it is made into mud. Then it is cast and molded and fired at 1300~1500℃. Sometimes industrial alumimum is used to replace bauxite. Inorganic matter is added as ignition loss substance in order to increase the porosity of the refractory.
Heat Resistance Fire resistant brick SK30/SK32/SK34 refractory brick is an ideal insulating refractory refractory material, with advantages of high strength, low thermal conductivity, good insulation property and low price. For various industrial kilns & furnaces, it is a kind of essential refractory for energy saving and temperature preservation.
Low Creep High Alumina Refratory Standard Shape Brick
Data
| Item | Chemical Composition |
| Al2O3% ≥ | 68 |
| Fe2O3% ≤ | 2 |
| Creep Rate at 1300℃,≤ | 0.8 |
| refractoriness≥ ℃ | 1790℃ |
Key Features for HIGH ALUMINA BRICKS
• Excellent corrosion resistance to neutral slag and metal penetration resistance at high liquid temperature.
• Improved thermal shock and corrosion resistance at high temperature
• High density, high mechanical strength and good volume stability at high temperatur
Typical Applications
• Good for iron and steel marking operation at the area of working zone in ladle and EAF roof
• For reheating furnace such as anchor brick and burner block
• Transition and cooling zone of rotary cement kiln , lime shaft kiln etc
• Bottom and door foundry air furnace and side wall of aluminum refining melting furnace , etc
Zhengzhou Annec CO., Ltd. was founded in 2003, and has been a NASDAQ listed corporation since 2011 with ticker identification ANNC. Annec had become the industrial leader within China in the areas of refractory production, Engineering for hot blast stove of blast furnace, and capability for EPC project. Annec has its own Provincial Enterprise Technology Center and Top Combustion Hot Blast Stove Research Centre, Annec (Beijing) Engineering & Technology Co., Ltd and four Manufacturers for Refractories. The annual output of different type of refractories can reach 150 thousand tons, and undertaken capability of more than 10 turnkey projects for hot blast stove.
