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Furnace Used High Temperature Alumina Hollow Ball Bricks

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US$ 5 - 50 MOQ: 100 Pieces
Key Specifications
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Place of Origin:
Henan, China
Shape:
Brick
Material:
Alumina Block
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Zhengzhou Lepe Refractory Materials Co., Ltd.
Payment & Shipping
Payment Methods:
Port of Shipment:
Shanghai/ Qingdao/ Tianjin
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin Henan, China
Shape Brick
Material Alumina Block
SiO2 Content (%) ≤0.2%
Al2O3 Content (%) ≥85%
MgO Content (%) none
CaO Content (%) none
CrO Content (%) none
SiC Content (%) none
Model Number alumina hollow ball bricks
Brand Name Lepe

Specifications

Alumina hollow ball bricks
1.Type: 85,90,99
2.Max temperature:1680c,1700c,1800c
3.Reheating linear change:about 0.3

Furnace used high temperature alumina hollow ball bricks

Alumina hollow ball bricks are based on the material of alumina bubble and alumina powder, add other binder, through being sintered in the temperature of 1700 °C,

then can be made.

 

It is one kind of ultra high temperature material and energy saving heat preservation material.

 

Parameter

Item

alumina hollow ball bricks

 

85 type

90type

99type

Max temperature

1680

1700

1800

Al2O3  %

>85

>90

>99

SiO2  %

<13

<8

<0.2

Fe2O3 %

<0.2

<0.2

<0.2

Bulk density    g/cm3

1.4-1.7

1.4-1.7

1.4-1.7

Cold crushing strength  Mpa

>12

>10

>9

Reheating linear change %

(1600C x3h)

±0.3

±0.3

±0.3

Thermal expansion coefficient x10 -6

(room temp.-1300C)

~7.8

~8.0

~8.6

Thermal    w/(m.k)

conductivity(Average 800C)

<0.8

<1.3

 

<1.5

 

Application

Alumina hollow ball bricks are used in the lining of high temperature furnace

also can be used as a kind of thermal insulation material in the high temperature kiln

of the industrial as refractory material, industrial ceramics, electronical ceramics, petrochemical and metallurgical industries.

Furnace used high temperature alumina hollow ball bricks

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Zhengzhou Lepe Refractory Materials Co., Ltd.
Business Type
Manufacturer, Trading Company
Year Established
2013
Factory Size
5,000-10,000 square meters
Total Employees
51 - 100 People
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