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High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80

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Qingdao Leadsun Refractory Co., Ltd

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High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80

Name: High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80
Brand: SUNWOOL
Price: 1 USD

$Best High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80 wholesale$ $Best High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80 wholesale$ $Best High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80 wholesale$ $Best High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80 wholesale$

Brand Name : SUNWOOL

Model Number : High Alumina Brick

Certification : ISO CE

Place of Origin : China

MOQ : 500pcs

Price : negotiable

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

Supply Ability : 10000 pallets/month

Delivery Time : 10 days

Packaging Details : pallets

Color : White,Yellow,Grey

Size : Customizable,230mm*114mm*65/75mm,1000*600 or as requested,9000*1220*10,0-3mm

Product name : refractory mortar,chrome magnesia brick,Refractory castable light weight fireclay insulation brick castable,mulllite brick,insulation material rock wool

Density : 110-200kg/m3,10-48kg/m3,2000kg/m3,50-150kg/m3,96/128/150

Name : Lightweight mullite brick,Single Roof Rock wool,High Alumina Refractory Brick,furnace heat insulation sk-34 refractory firebrick,Refractory castable

Bulk density : 2.2~3.0g/cm3,2.6~2.8,≤0.5~1.3g/cm3,0.9g/cm3-1.5g/cm3,0.4-1.0g/cm3

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Product Description:

Leadsun high alumina bricks are manufactured with high quality selected bauxite chamotte as raw material, processed through advanced molding technology, high temperature sintering and strict quality control system. The main mineral components are corundum and mullite phases, which give the bricks excellent high temperature mechanical strength and chemical corrosion resistance.

Our high alumina bricks are widely used in various thermal industrial furnaces due to their high refractoriness, good thermal shock resistance, great slag erosion resistance and long service life. They are available in different alumina content grades from 60% to 80% to meet different application requirements.

The bricks are produced under strict ISO9001 quality management system, ensuring consistent quality, precise dimensions and reliable performance. With over 15 years of experience in refractory manufacturing, Leadsun has become a trusted supplier for customers worldwide.

Technical data

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

$High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80$

Features:

High refractoriness up to 1850°C
Excellent high temperature strength
Good slag erosion resistance
Great thermal shock resistance
Low iron content
Precise dimensional accuracy

$High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80$

Applications:

Steel furnaces (blast furnace, ladle, reheating furnace)
Iron making furnaces
Cement rotary kilns
Glass melting furnaces
Ceramic tunnel kilns
Non-ferrous metal smelting furnaces

Why Choose Us:

15+ years refractory manufacturing experience
ISO9001 certified quality control
Factory direct supply, competitive price
Customized shapes available
Exported to 70+ countries worldwide

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High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80 Images

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High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80

High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80

High Alumina Refractory Brick HA60

High Strength Refractory Brick HA80

High Alumina Brick HA70 HA75

High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80 Images