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

Low Porosity Refractory Bricks Produced By Rongsheng Refractory For Blast Furnace

Name: Low Porosity Refractory Bricks Produced By Rongsheng Refractory For Blast Furnace
Brand: Rongsheng Xinwei
SKU: Rongsheng
Price: 200 USD
Availability: InStock
Rating: 4.7 (171 reviews)

Product Details

Place of Origin: Zhengzhou,China

Brand Name: Rongsheng Xinwei

Certification: ISO9001

Model Number: Rongsheng

Document: Product Brochure PDF

Payment & Shipping Terms

Minimum Order Quantity: 1 Ton

Price: 200-800USD

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

Delivery Time: 10-20 Days

Payment Terms: TT; L/C

Supply Ability: 2000 tons/month

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Product Details

Product Description

Highlight: 
                                                Blast Furnace Refractory Bricks, Rongsheng Refractory Bricks, Low Porosity Refractory Bricks
                              

Low Porosity Refractory Bricks Produced By Rongsheng Refractory For Blast Furnace

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.

$Low Porosity Refractory Bricks Produced By Rongsheng Refractory For Blast Furnace 0$

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

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