1770
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China main port
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TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
5000 m.t./month

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Packaging Details:1.On wooden pallets with plastic cover:Wooden pallet size:930*930mm load weight of each pallet:1.5-2.0 tons 2.According to customer's demands
Delivery Detail:within 30 days

1770<Refractoriness<2000 High temperature fireproof dense high alumina refractory brick for furnace/kiln

 

Product Description

 

1.Description

High alumina refractory brick contain Al2O3 more than 48%, which is made of high grade bauxite through high temperature calcinations. Its refractories is usually above 1770 °C. The main mineral components are corundum and mullite phases. It is a kind of neutral refractory material so that it enjoys excellent resistance to acid and alkali corrosion. According to Al2O3 content,it can be divided into three degrees:The Al2O3 content is more than 75%.The Al2O3 content range from 60% to 75%.The Al2O3 content range from 48% to 60%.

2.Feature

1. High-temperature endurable .

2.Good thermal shock resistance.

3.High cold crushing strength

4.Good resistance to abrasion and corrosion.

5.Good thermal spalling resistance.

6.High mechanical strength.

7.Good volume stability at high temperature.

3.Technical Data

Item

Index

International code name

SK35

SK36

SK37

SK38

SK40

Al2O3 %

48

55

65

75

80

Fe2O3 %

2

2

2

2

2

Refractoriness °C

≥1750

≥1770

≥1790

≥1790

≥1790

Apparent porosity %

≤22

≤22

≤23

≤23

≤21

Cold crushing strength Mpa

39

44

49

54

65

Refractoriness under load(0.2MPa) °C

≥1420

≥1470

≥1500

≥1520

≥1530

Reheating Linear Change (1500°C 2h) %

+0.1~ -0.4

*1450°C

+0.1~ -0.4

+0.1~ -0.4

+0.1~ -0.4

+0.1~ -0.4

4.Application

High Alumina refractory Brick Application

Iron   & steel making industry

Such as blast furnace,hot blast furnace(stove),pellet shaft furnace,hot metal ladle,steel ladle, tundish,heating furnace,soaking pit furnace,heat treatment furnace,refining furnace,reheating furnace,metal mixter furnace,annealing furnace, cupola furnace,electric arc furnace,induction furnace,AOD furnace,VOD furnace,etc thermal technology   equipment .

Non-ferrous   Metal industry

Such as smelting furnace,refining furnace,reverberatory furnace,converter furnace,

Building materials industry

Such as cement kiln,glass kiln,ceramic kiln, lime kilns, kiln car,tunnel kiln

Energy   & Incineration

Such as coke oven,general boiler,power generation boiler,circulating fluidized bed boiler,electric furnace,carbonroasting furnace,waste incinerators

Others

Petrochemical industry furnace

 

1770<Refractoriness<2000 High Temperature Fireproof Dense High Alumina

1770<Refractoriness<2000 High Temperature Fireproof Dense High Alumina

 

 1770<Refractoriness<2000 High Temperature Fireproof Dense High Alumina

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