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Henan Rongsheng Xinwei New Materials Research Institute Co., Ltd
High Quality Industrial Refractory Material Manufacturer And Supplier
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Low Porosity Refractory Bricks Produced By Rongsheng Refractory For Blast Furnace

Henan Rongsheng Xinwei New Materials Research Institute Co., Ltd
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Low Porosity Refractory Bricks Produced By Rongsheng Refractory For Blast Furnace

Brand Name : Rongsheng Xinwei

Model Number : Rongsheng

Certification : ISO9001

Place of Origin : Zhengzhou,China

MOQ : 1 Ton

Price : 200-800USD

Payment Terms : TT; L/C

Supply Ability : 2000 tons/month

Delivery Time : 10-20 Days

Packaging Details : Packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages

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Product Description of Low Porosity Refractory Bricks Produced By Rongsheng Refractory For Blast Furnace
The furnace shaft is an essential part of the blast furnace, playing a role in heating, reducing, and slag formation of the furnace charge. It continuously endures the impact of gas flow and material flow. However, the upper and middle sections of the furnace shaft experience lower temperatures (400–800°C), where no slag formation or slag erosion occurs. This area mainly withstands the impact of the furnace charge, the abrasion from rising furnace dust, or thermal shocks (up to 50°C/min), as well as potential damage from infiltration by alkali, zinc, or carbon deposits. Therefore, this section primarily uses low-porosity clay bricks and high-alumina bricks.
The low-porosity refractory bricks produced by Rongsheng Refractory also include mullite bricks, corundum-mullite bricks, sillimanite bricks, and andalusite bricks.
Low Porosity Refractory Bricks Produced By Rongsheng Refractory For Blast Furnace
Physicochemical Indicators of Blast Furnace Low Porosity Refractory Bricks:

Item 75% Mullite Brick 70% Mullite Brick 65% Sillimanite Brick 60% Sillimanite Brick 55% Sillimanite Brick Andalusite Brick
Al₂O₃% ≥75 ≥70 ≥65 ≥60 ≥55 ≥53
SiO₂% ≤23 ≤25 ≤32 ≤37 ≤42 -
Fe₂O₃% ≤0.5 ≤0.8 ≤1.0 ≤1 ≤1.5 ≤1.7
TiO₂% - - - - - ≤0.6
K₂O + Na₂O% - - - - - ≤0.6
Bulk Density (g/cm³) ≥2.7 ≥2.6 ≥2.5 ≥2.3 ≥2.3 ≥2.4
Apparent Porosity (%) ≤18 ≤18 ≤18 ≤19 ≤20 ≤20
Cold Crushing Strength (MPa) ≥80 ≥65 ≥60 ≥60 ≥50 ≥60
Refractories Under Load (°C, 0.2MPa, 0.6%) ≥1680 ≥1680 ≥1650 ≥1600 ≥1580 ≥1600

Product Tags:

Blast Furnace Refractory Bricks

      

Rongsheng Refractory Bricks

      

Low Porosity Refractory Bricks

      
 Low Porosity Refractory Bricks Produced By Rongsheng Refractory For Blast Furnace Manufactures

Low Porosity Refractory Bricks Produced By Rongsheng Refractory For Blast Furnace Images

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