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unshaped block

Categories refractory 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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unshaped block

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

  
Cheap unshaped block for sale
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