$China factory - Qingdao Leadsun Refractory Co., Ltd$

Qingdao Leadsun Refractory Co., Ltd

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High Alumina Brick with 55%-85% Al2O3 Content and 1750-1850°C Refractoriness for

$China High Alumina Brick with 55%-85% Al2O3 Content and 1750-1850°C Refractoriness for$

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$China High Alumina Brick with 55%-85% Al2O3 Content and 1750-1850°C Refractoriness for$
$China High Alumina Brick with 55%-85% Al2O3 Content and 1750-1850°C Refractoriness for$
$China High Alumina Brick with 55%-85% Al2O3 Content and 1750-1850°C Refractoriness for$

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High Alumina Brick with 55%-85% Al2O3 Content and 1750-1850°C Refractoriness for

MOQ： 500pcs
Price： 0.75-1.0usd/pcs
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Payment Terms	,L/C,D/P,T/T,Western Union
Supply Ability	100tons/week
Delivery Time	10-15DAYS
Packaging Details	Pallet
Size	23011465mm 23011475mm
Al2O3 Content	55% - 85%
Density	2.1-2.7g/cm3
Refractoriness	1300-1800C
Package	Pallet
Shape	Customizable
Al2O3	35-80%
Brand Name	Leadsun
Model Number	HA60 HA70 HA75 HA80 or SK36 SK37 SK38 SK40
Place of Origin	CHINA

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Product Details
Company Details

Product Specification


Payment Terms	,L/C,D/P,T/T,Western Union	Supply Ability	100tons/week
Delivery Time	10-15DAYS	Packaging Details	Pallet
Size	23011465mm 23011475mm	Al2O3 Content	55% - 85%
Density	2.1-2.7g/cm3	Refractoriness	1300-1800C
Package	Pallet	Shape	Customizable
Al2O3	35-80%	Brand Name	Leadsun
Model Number	HA60 HA70 HA75 HA80 or SK36 SK37 SK38 SK40	Place of Origin	CHINA
High Light	High Refractoriness High Alumina Brick ，High Alumina Brick 85% ，High Temperature Cement Kiln Bricks

High Alumina Brick - High Refractoriness Al2O3 Content 55% - 85%

Leadsun high alumina bricks are produced with selected bauxite chamotte by advanced process and strict quality control. The main mineral components are corundum and mullite phases. It features excellent high temperature mechanics and chemical corrosion resistance.

Technical Specifications

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

Key Advantages

Resisting High Temperature: Withstands extreme temperatures up to 1750°C or higher, maintaining structural integrity in furnaces, kilns, and incinerators.
Great Bulk Density: Dense structure (2.5-3.0 g/cm³) enhances mechanical strength, load-bearing capacity, and thermal conductivity.
Low Iron Content: Minimal iron oxide impurities (<2%) prevent unwanted reactions and discoloration at high temperatures.
Good Eroding Resistance: Excellent resistance to chemical erosion and slag corrosion in acidic or alkaline environments.

Applications

Steel furnaces
Iron making furnaces
Glass kiln
Ceramic tunnel kiln
Cement kiln

Product Features

Low thermal conductivity, good thermal insulation performance
Long service life, easy operation, can be shaped freely
Product specification: standard form, normal standard, shaped and special shaped bricks
Versatile use in various kilns due to cost-effectiveness and general tray packaging

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

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from Quality China Factory

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Business Type:

Distributor/Wholesaler,Exporter,Trading Company,Seller 
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Year Established:

2014 


Total Annual:

3000000-5000000


Employee Number:

5~20 


Ecer Certification：

Verified Supplier 

Our products cover heavy & light shaped and unshaped refractories, and are widely used in power, steel & iron, non-ferrous, petrochemicals, building materials and other industries, and are exported to more than 30 countries and regions in Europe, America, Africa, Oceania, Southeast Asia... Our products cover heavy & light shaped and unshaped refractories, and are widely used in power, steel & iron, non-ferrous, petrochemicals, building materials and other industries, and are exported to more than 30 countries and regions in Europe, America, Africa, Oceania, Southeast Asia...

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Qingdao Leadsun Refractory Co., Ltd
No. 700, Qingshan Road, Licang District, Qingdao, China
https://www.insulation-refractory.com/

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