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High alumina brick for coke oven

Zhengzhou Dengda Electric Melting Charging Co., Ltd.

High alumina brick for coke oven

Country/Region china

Company Zhengzhou Dengda Electric Melting Charging Co., Ltd.

Categories High Alumina Brick

Update 2016-06-28 17:30:08

ICP License Issued by the Chinese Ministry

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High alumina brick for coke oven

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Refractory bricks is dense shaped refractory material.with high refractoriness and mechanical behavior under high temperature, refractory bricks is the nacessary material of high-temperature services, mainly used for industrial furnaces and kinls and several thermal equipments.

1. Main Characters: Refractoriness for the high alumina bricks for coke oven is 1750-1790C, refractoriness under load is normally above 1420~1550C. The brick has good erosion resistance to acid and alkali slag but the thermal shock resistance it not good.

2. Applications: High alumina brick for coke oven are used in the oven head of combustion zone, bottom of carbon zone. They can not be used in wall bricks of carbon zone.

3. Physical and Chemical Index

Index

Item

GL-65

GL-55

GL-48

Al2O3 ,%≥

65

55

48

Fe2O3 ,%≤

2.0

Refractoriness C

1790

1770

1750

0.2Mpa refractoriness under load ,C≥

1500

1480

1450


Linear change
After reheating %

1500C,2h

0
-0.2

-

1450C2h

-

0
-0.2

Apparent porosity, %≤

19

18

Compress strength, Mpa≥

58.8

49.0

Ventilative


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China High alumina brick for coke oven

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