hot sale high temperature resistant refractory firebrick for metallurgy

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1000 pc
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10000000 pc/month

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hot sale high temperature resistant refractory firebrick for metallurgy

Fire clay bricks were mainly made from chamotte, flint clay  and combining clay powder, being high pressure pressed and sintered in high temperature.

 

Low porosity bricks are made from low mullite stones, the main mineral composition of the low mullite stones are pressed and sintered mullite phases. The bricks have very good physical and chemical properties in high temperature conditions.

 

Different Size Fire Clay Brick Features and advantages:

1.High refractoriness,

2.High-temperature endurable.

3.Good corrosion resistance.

4.Good spalling resistance and wear resistance.

5.Good thermal shock resistance.

6.High mechanical strength.

7.High-temperature creep rate is low.

8.Good volume stability at high temperature. 

 

hot sale high temperature resistant refractory firebrick for metallurgy application:

They are were widely used in all parts of furnace lining for middle and small capacity furnace such as glass furnace, blast furnace, hot-air furnace, cement furnace,chemical furnace and other heating engineering equipment.

 

hot sale high temperature resistant refractory firebrick for metallurgy Technical Index:


Fire Clay Brick

Lower Porosity clay brick


DK-32

DK-34

DK-15

DK-12

Al2O3

≥40

≥42

≥42

≥45

Refractoriness 

≥1710

≥1750



0.2MPa Refractoriness under load

≥1320

≥1400

≥1470

≥1500

Permanent liner change%

1350×3h+0.2~-0.5

1400×2h+0.1~-0.4

-0.2~+0

+0.05~-0.1

Apparent Porosity %

≤24

≤22

≤15

≤12

Cold crushing strength Mpa

≥19.6

≥29.4

58.8

68

Bulk Density g/cm3

2.1

2.15

2.3

2.37

hot sale high temperature resistant refractory firebrick for metallurgy

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