Acid Resistant Refractory Fire Brick High Alumina Fire Brick For Furnace Lining

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Henan Rongsheng Xinwei New Materials Research Institute Co., Ltd

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Acid Resistant Refractory Fire Brick High Alumina Fire Brick For Furnace Lining

Name: Acid Resistant Refractory Fire Brick High Alumina Fire Brick For Furnace Lining
Brand: Rongsheng Xinwei
Price: 200 USD

$China Acid Resistant Refractory Fire Brick High Alumina Fire Brick For Furnace Lining factory$ $China Acid Resistant Refractory Fire Brick High Alumina Fire Brick For Furnace Lining factory$ $China Acid Resistant Refractory Fire Brick High Alumina Fire Brick For Furnace Lining factory$ $China Acid Resistant Refractory Fire Brick High Alumina Fire Brick For Furnace Lining factory$ $China Acid Resistant Refractory Fire Brick High Alumina Fire Brick For Furnace Lining factory$

Brand Name : Rongsheng Xinwei

Model Number : LZ-48, LZ-55, LZ-65, LZ-70, LZ-75, LZ-80

Certification : ISO9001

Place of Origin : Zhengzhou ,China

MOQ : 1 Ton

Price : 200-800USD

Payment Terms : TT; L/C

Supply Ability : 2000tons /month

Delivery Time : 20-30DAYS

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

Application Temperature : 1300-1700℃

Chemical Composition : Al2O3≥70%

Color : Red

Compressive Strength : ≥50MPa

Density : 2.2-2.4g/cm3

Flexural Strength : ≥10MPa

Material : High Alumina Refractory Brick

Package : Wooden Box

Porosity : ≤20%

Refractoriness : ≥1700℃

Refractoriness Under Load : ≥1400℃

Shape : Rectangular

Size : Customized

Thermal Conductivity : ≤0.8W/m.k

Thermal Shock Resistance : Good

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Description of Acid Resistant Refractory Fire Brick High Alumina Fire Brick For Furnace Lining

High alumina brick is a kind of neutral refractory with alumina content above 48%. It is formed by shaping and calcining bauxite or other raw materials with high alumina content. High thermal stability and fire resistance above 1770 ℃.

The production process of high alumina bricks is similar to that of multi clinker clay bricks. The difference is that the proportion of clinker in the ingredients is high, up to 90~95%. Before crushing, the clinker needs to be sorted and screened to remove iron. The firing temperature is high. For example, when high alumina bricks such as I and II are fired in tunnel kilns, it is generally 1500~1600 ℃.

Feature of high alumina bricks

1. Good thermal conductivity.

2. High fire resistance.

3. Good slag resistance, acid and alkali resistance.

4. Thermal stability.

Appliaction Of High Alumina Refractory Bricks

As a basic material in the field of high-temperature technology, high alumina bricks are widely used in cement, glass building materials, steel smelting, petrochemical and other industries. High temperature industrial furnaces for high alumina bricks include blast furnace, hot blast furnace, electric furnace, blast furnace, reverberatory furnace and rotary kiln lining. In addition, high alumina bricks can also be processed into open hearth regenerative grid bricks, socket bricks for pouring system, nozzle bricks, etc. according to the requirements of industrial furnaces.

Product Specification of High Alumina Refractory Bricks

Item	Specification
	LZ-80	LZ-75	LZ-70	LZ-65	LZ-55	LZ-48
Al2O3 %	≥80	≥75	≥70	≥65	≥55	≥48
Apparent Porosity, %	≤21	≤24	≤24	≤24	≤22	≤22
CCS, MPa	≥70	≥60	≥55	≥50	≥45	≥40
0.2MPa RUL ℃	≥1530	≥1520	≥1510	≥1500	≥1450	≥1420
PLC, %	1500℃×2h		1450℃×2h
PLC, %	-0.4~0.2		-0.4~0.1

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