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Mullite Insulation Bricks

(1)Made by high pure mullite as raw material, adding alumina powder according to different type then sintering in high temperature. (2)Al2O3 content is 45-75%.(3)Bulk density is 0.6-1.75g/cm3, crushing strength is 1.5-6.0MPa, thermal conductivity is 0.221-0.72W/(m.K) (1350C)(4)Working temperature:less than 1600C,Max working temperature:1700C.

Item

JM23

JM26

JM28

JM30

AL2O3 %

50

56

65

70

Fe2O3 %

1.2

1.2

1.0

1.0

Bulk density g/cm3

0.6

0.8

1.0

1.2

TemperatureC

1260

1430

1540

1650

Cold crushing strength Mpa

1.3

3.0

3.5

3.5

Reheating Linear Change %

1250C*12

-0.5

1400C*12

-0.5

1510C*12

-0.9

1600C*12

-0.9

Thermal Conductivity

0.22

0.26

0.32

0.41

Mullite insulation bricks can be used in the thermal preservation layers in various industrial furnaces and kilns in metallurgical industry, ceramic industry, chemical industry and can be used in direct contact with the flame. 


(1)10PCS/Carton,48Cartons/Pallet ,24Pallets/20 feet container for 23011465mm,
(2)8PCS/Carton,48Cartons/Pallet ,24Pallets/20 feet container for 23011475mm,
(3)12PCS/Carton,48Cartons/Pallet ,24Pallets/20 feet container for 23011465/55mm(Wedge and Arch)

(4)Can pack according to customer's requirements.



Address: West Development Zone, Zhengzhou City, Henan Province
Zip code: 450007
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