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Micro Expansion High Alumina Brick
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Product: Views:341Micro Expansion High Alumina Brick 
Unit price: Negotiable
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Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2017-12-16 03:40
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Micro expansion high alumina fire brick is widely used in cement kiln , it composed of special grade high alumina bauxite chamotte by adding additives, fire brick are characterized by high thermal shock stability, can work under high temperature for long time.


Item

Index

Al2O3  %     ≥

50

65

Refractoriness(℃)   ≥

1800

1830

Refractoriness Under Load(℃) ≥

1580

1630

Cold Crushing Strength(Mpa) ≥

75

80

Bulk Density(g/cm3 )

2.45

2.65

Apparent Porosity %     ≤

19

19

Thermal Shock Resistance

(1100℃ water cooling,times) ≥

10

13

Cold Crushing Strength CC(cm3)    ≥

5

7

Thermal Conductivity(w/m.k)

1.6

1.8

Linear Change On Reheating(1450℃*3h)%

+0.25~0

0~-0.25

Thermal Expansion Rate

(1000℃)%           ≤

0.7

0.7

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