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High temperature refractory insulation alumina bubble brick

Location:
Zhengzhou, China ( Mainland)
Status:
New
Sample Availibility:
yes
Payment Terms:
Cash, Bank Transfer, Letter of Credit, T/T, L/C
Categories:
Home > Construction & Real Estate > Bricks & Pavers

Product Description

High temperature refractory insulation alumina bubble brick

Alumina bubble brick is 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 bubble brick

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 bubble brick is 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.



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Contact Information

Company:
 Zhengzhou Lepe Refractory Materials Co., Ltd.
Phone Number:
  86-371-86079675
Fax Number:
 
 
Zhengzhou Lepe Refractory Materials Co., Ltd.
 Henan , China FREE
 

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