Spinel Brick

Description:Spinel brick is mainly used in burning zone, transitional zone and kiln mouth of rotary kiln. In particular,spinel brick has been becoming one of the major lining materials for rotary kiln. 

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Description:Spinel brick is mainly used in burning zone, transitional zone and kiln mouth of rotary kiln. In particular,spinel brick has been becoming one of the major lining materials for rotary kiln. 
 

Parameter:

Index Fued synthetic Spinel bricks

 sintering synthetic Spinel bricks

MgO/%≥

>78

>80

Al2O3/%≤
10~13 8~12
Fe2O3/%

<1

<1

SiO2/%

<1.8

<1.5

volume density /kg.m-3

≥2920

2920~2950
Apparent porosity %≤

≤19

17~19
Compress strength /MPa≥

≥40

≥40

refractoriness under load   , ℃≥ T0.6 T2

≥1650
≥1700

≥1650
≥1700

Linear expansivity /% (1000℃)
0.96 0.99
thermal conductivity /W • (m • K ) -1 3.00 3.00
Thermal shock resistance (1100℃-Water cold)

≥8

≥8

 

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