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Zhengzhou RongSheng Kiln Refractory CO,. LTD
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combined high alumina brick

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Zhengzhou RongSheng Kiln Refractory CO,. LTD
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combined high alumina brick

Place of Origin : China

Brand Name : rongsheng

Price : 333usd

Packaging Details : export standard package

Delivery Time : 30days

Payment Terms : TT L/C

Supply Ability : 1000tons

MOQ : 10tons

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Features:

Resistance to High temperature, Resistance to erosion, resistance to abrasion;

Excellent compression strength;

Resistance to acid and alkali;

Excellent heat stability.

Application:

The high alumina bricks are widely applied to industrial furnace, glass furnace, chemical industrial furnace, utility industry furnace lining, smelting furnace, and heat insulation ventilation wall.

Properties of High Alumina Brick:

Al2O3 (%)

≥60

≥70

≥75

78-80

SIO2 (%)

32

22

20

≥18

Fe2O3 (%)

≤1.7

≤2.0

≤1.8

≤1.8

Na2O+K2O(%)

<2.3

<2.0

<1.2

Refractoriness

1790

>1770

>1790

≥1790

refractoriness under load 0.2mpa(°C)

1450

>1510

>1520

≥1520

Porosity (%)

22

<22

<21

20

Bulk density(g/cm3)

2.33

2.43-2.48

2.45-2.55

2.55

Cold Cushing strength (Mpa)

≥45

≥50

≥54

≥60

Thermal expansion at 1000°C (%)

≤0.3

≤0.3

≤0.3

≤0.3

Reheating shrinking change(%) 1500°CX24h

-0.3

-0.3

-0.3

-0.3


Product Tags:

high alumina brick

      

FIRE BRICK

      

refractory

      
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