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Unfired High Alumina Bricks for Cement Kilns
Unfired High Alumina Bricks for Cement Kilns
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UNFIRED HIGH ALUMINA BRICKS FOR CEMENT KILNS |
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Goods Brand |
P1 |
P2 |
PA1 |
PA2 |
|
Al2O3(%) min |
75 |
75 |
77 |
77 |
|
Fe2O3(%) max |
3.2 |
3.2 |
3.2 |
3.2 |
|
CaO(%) max |
0.6 |
0.6 |
0.6 |
0.6 |
|
Cold Crushing strength (MPa)min |
70 |
60 |
75 |
65 |
|
Refractriness under load 0.2 Mpa T0.6 ( ℃) min |
1350 |
1300 |
1300 |
1250 |
|
Bulk density (g/cm3) |
2.7 |
2.65 |
2.75 |
2.7 |
|
Refractriness ( ℃) |
1780 |
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Phosphste bonded high alumina bricks P and phosphate bonded anti-wear high alumina bricks TP use Yangquan bauxite as aggregate, added with phosphate acid and phosphate salt ,being pressed and sintered.The products anti-wearing and anti-spalling, as well as anti erosion of K,Na,Cl,and alkaline saltas.Mainly used for preheater ,burning zone, hoops and coolers. |
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