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Zhengzhou Rongsheng Refractory Co., Ltd.
Zhengzhou Rongsheng Refractory Co., Ltd. Refractory manufacturing company.
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Dry Pressed High Alumina Refractory Brick High Temperature Firebrick

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Dry Pressed High Alumina Refractory Brick High Temperature Firebrick

Place of Origin : Zhengzhou ,China

Brand Name : Rongsheng

Certification : ISO9001

Model Number : BG95/96

MOQ : 1 TON

Price : 200-800USD

Packaging Details : Our prioducts are packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages or according to customer requirements

Delivery Time : 20-30DAYS

Payment Terms : TT； L/C

Supply Ability : 2000tons /month

Material : Alumina Block

SiO2 Content (%) : -

Al2O3 Content (%) : 48%-85%

MgO Content (% : 0.8-1.2

CaO Content (%) : 0.34%

Refractoriness (Degree) : Common(1580°< Refractoriness< 1770°)

CrO Content (%) : 0.1-0.3%

SiC Content (%) : .2-1.4

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High Temperature High Alumina Refractory Brick For Steel Furnaces / Glass Kiln


High Alumina Brick​ Feature

1. bricks are made from high quality bauxite
2. dry pressed
3. burned under tunnel kiln
4. accurate dimension
5. high strength
Dry Pressed High Alumina Refractory Brick High Temperature Firebrick

High Alumina Brick Product specification

standard form, normal standard, shaped and special shaped bricks.Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the mostly used in the key positions.Molding method: it has down draft kiln and tunnel kiln and the general sintering temperature is 1360-1480 degrees. It is a kind of aluminosilicate refractory product which aluminum oxide (Al2O3) content is higher than 48%.


High Alumina Brick Applications

1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln


High Alumina Brick Specification

High aluminum refractory bricks physiochemical index

Item

Properties

LZ-80

LZ-75

LZ-65

LZ-55

LZ-48

Al2O3 ,%

80

≥75

≥65

≥55

≥48

Refractoriness °C

≥1790

≥1790

≥1790

≥1770

≥1750

Bulk density,g/cm3

2.65

2.5

2.45

2.4

2.3

Softening temperature under load

1530

≥1520

≥1500

≥1470

≥1420

Permanent linear change,%

1500°CX2H

+0.1

-0.4

+0.1

-0.4

+0.1

-0.4

+0.1

-0.4

1450°CX2H

+0.1

-0.4

Apparent porosity,%

22

≤23

≤23

≤22

≤22

Cold Crushing strength Mpa

55

≥50

≥45

≥40

≥35

Application

All industrial furnace



Competitive Advantage

  1. Competitive Price. Make the products competitive in your market.
  2. Abundant Experience. Prevent cracks and twist in bricks.
  3. Different Moulds. Save mould fees for you.
  4. Strict Quality Control. Meet clients’ quality requirement.
  5. Large stocks. Guarantee prompt delivery.
  6. Professional Packing. Avoid damage and secure the goods in transportation


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