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High Alumina Refractory Brick 55%–85% Al₂O₃ With High Refractorines

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Qingdao Leadsun Refractory Co., Ltd

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High Alumina Refractory Brick 55%–85% Al₂O₃ With High Refractorines

Name: High Alumina Refractory Brick 5585 AlO With High Refractorines
Brand: LEADSUN
Price: 1 USD

$Buy cheap High Alumina Refractory Brick 55%–85% Al₂O₃ With High Refractorines product$ $Buy cheap High Alumina Refractory Brick 55%–85% Al₂O₃ With High Refractorines product$ $Buy cheap High Alumina Refractory Brick 55%–85% Al₂O₃ With High Refractorines product$

Brand Name : LEADSUN

Model Number : HA55 HA60 HA70 HA75 HA80

Certification : CE ISO

Place of Origin : China

MOQ : 500 pcs

Price : Negotiable

Payment Terms : L/C, D/P, T/T, Western Union

Supply Ability : 10000 pallets/month

Delivery Time : 10 days

Packaging Details : pallets

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High Alumina Refractory Brick 55%–85% Al₂O₃ With High Refractorines

Leadsun high alumina refractory bricks are manufactured from selected bauxite chamotte through advanced processes and strict quality control. Composed mainly of corundum and mullite phases, they offer excellent high-temperature strength and chemical corrosion resistance.

Item	HA60	HA70	HA75	HA80
AL2O3(%)	≥60	≥70	≥75	≥80
SIO2(%)	32	22	20	≥18
Fe2O3(%)	≤2.5	≤2.0	≤1.8	≤1.5
Refractoriness °C	≥1750	≥1780	≥1800	≥1850
Bulk density,g/cm3	2.35-2.4	2.45-2.5	2.5-2.55	2.75-2.8
Softening temperature under load	≥1450	≥1510	≥1520	≥1600
Apparent porosity,%	≤24	≤23	≤21	≤18
Cold Crushing strength Mpa	≥45	≥50	≥60	≥85

Advantages

1. High Temperature Resistance
High alumina bricks offer excellent thermal stability and can withstand temperatures up to 1750°C, maintaining reliable performance in high-temperature environments.

2. High Bulk Density
The dense structure provides high mechanical strength, strong load-bearing capacity, and good wear resistance.

3. Low Iron Content
Low iron impurities improve refractoriness and stability, preventing unwanted reactions at high temperatures.

4. Good Erosion Resistance
Excellent resistance to chemical erosion and slag corrosion, ensuring longer service life in harsh industrial conditions.

Key Features

Excellent resistance to high temperatures
High bulk density for enhanced durability
Low iron content for improved refractoriness
Strong resistance to erosion and chemical attack

Applications

Steelmaking furnaces
Ironmaking furnaces
Glass kilns
Ceramic tunnel kilns
Cement kilns

$High Alumina Refractory Brick 55%–85% Al₂O₃ With High Refractorines$ $High Alumina Refractory Brick 55%–85% Al₂O₃ With High Refractorines$

$Buy cheap High Alumina Refractory Brick 55%–85% Al₂O₃ With High Refractorines product$

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