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Refractory Products

　Phosphate Bonded High Alumina Wear Bricks PA

Phosphate-Bonded High Alumina Bricks

Name 
Chemical-Bonded High Alumina Brick
Phospate-bonded High Alumina Brick

Phospate-bonded High Alumina wear Brick

High RUL Brick
Brand 
1
P
PA
11
Al2O3 %  ≥
75
75
77
78
Fe2O3 % ≤
2
2
2
2.0
CaO %  ≤
1
0.6
0.6
1
Bulk Density g/cm³ ≥
2.65
2.7
2.75
2.8
Refractoriness ℃ ≥
1770
1780
1780
1780
Apparent Porosity %≤
1
1
1
19
Cold Crushing Strength MPa≥
60
70
75
80
℃ Rul ≥
1400
1350
1300
1460

Permanent linear change %(1500℃,2h)≤
1
1
1
0.3
Thermal Shock Resistance
（1100℃ -water cooling）times
15
1
0
20

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