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Fire clay bricks for cement kiln

Al₂O₃(%)≥40; Fe₂O₃≤2.4
Cold Crushing Strength(MPa):30
0.2 MPa Refractoriness Under Load( ℃)≥1380

Application:

Fire clay bricks can be used for preheating position of various cement kiln where the surface temperature of linings are not more than 1200 ℃.

　　Fire clay bricks use clay that including shale, coal gangue such powder as the major raw material, undergoing a series of working procedures as mixture treatment, forming, drying and roasting.

　　Al₂O₃ content of fire clay bricks manufactured by Hitech Material over 40%, then Fe₂O₃ content is less than 2.0～2.5%. Fire clay bricks fired at about 1400 ℃,that have the advantages of good integral property.

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Product Index	JN-40
Al₂O₃ %	≥40
Fe₂O₃ %	≤2.4
Refractoriness ℃	1760
Bulk density g/cm³	2.12
Apparent Porosity %	≤24
0.2 MPa Refractoriness Under Load ≥ ℃	1380
Cold Crushing Strength MPa	30
Reheat Linear Change (1300/2h) %	+0.1,-0.4

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Fire clay bricks for cement kiln

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