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Anti-SpallingHighAluminarefractorybrickAnti-SpallingHighAluminarefractorybrick

Anti-Spalling High Alumina refractory brick

Feature:

High spalling and corrosion -resisting at high temperature state, low thermal conductivity, strong thermal shock stability, etc.

 

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Description

Made of the high grade bauxite clinker as the main material, adding a mall amount of ZrO2 fine powder( As ZrO2 material present the phase transition from the monoclinic phase and tetragonal phases, that can increase the thermal shock stability of the products. Then adding the certain of bonding and additive agent, then high-presser pressing and high temp. Sintered.

 

Application:

Ideal refractory material used in the transition zone and decomposition zone of the medium and large cement rotary kiln.

Parameter

Chemical and Physical Properties

Item

Brand

Al2O3

(%)≥

ZrO2 (%)≥

A. P.

(%)≤

B. D.

(%)≥

C.C.S.

(MPa)≥

R.U.L.@ 0.2MPa&

Ta(℃) ≥

T.S.R.at @1100℃ &cool waterTimes≥

Refractoriness℃≥

T. C.

(1000℃)

(W/m*K)

Thermal Expans.

(1100℃)%

HXYRS-70

70

6-7

25

2.55

45

1470

20

1790

1.4

0.4-0.6

HXXYR-76

76

/

25

2.50

55

1500

25

1790

1.4

0.4-0.6

*They are typical values in this table, not a basis for order.

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