High Alumina Brick - Product

Place of Origin : Tangshan,China

Product Description

Dear Sir or Madam:
We would like to introduce ourselves as one of the leading suppliers of refractory products in China. The most popular products we offered are high alumina bricks.
High Alumina Bricks for general uses are made from bauxite of super quality, bonding chamotte and additives. The main Al203 content is 48%-80%. The advantages of these products are high refractoriness, anti alkaline/acid erosions, good strength under high temperature and good thermal shock resistance. They were

Physical Specification

Other Specification : For High Alumina Brick The Temperature Of Refractoriness Under Load Is Normally Above 1420~1550℃ That Is Higher Than The Fireclay Brick And It Increases Along With The AL2O3 Content Enhances. For High Alumina Brick The Thermal Shock Resistance Is Mainly Decided By Chemical Contents And Its Mineral Microstructure But Its Thermal Shock Resistant Is Worse Than The Fireclay Brick. High Alumina Brick Have Very Good Ability Of Anti-acidity, Anti-metal Fluid Corrode And Anti-oxidation. High Alumina Brick Are Used Normally In Industry Furnaces Such As Blast Furnace, Hot-blast Furnace And EAF Etc. Index Item LZ-75 LZ-65 LZ-55 LZ-48 Al2O3 ,%≥ 75 65 55 48 Refractoriness, ℃≤ 1790 1770 1750 0.2Mpa Refractoriness Under Load, ℃≤ 1520 1500 1470 1420 Reheating Linear Change, % 1500℃,2h +0.1 -0.4 - 1450℃,2h - +0.1 -0.4 Apparent Porosity, %≤ 23 22 Compress Strength, MPa≥ 53.9 49.0 44.1 39.2

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