|
材质指标
|
65 瓷
|
75 瓷
|
80 瓷
|
85 瓷
|
90 瓷
|
95 瓷
|
99 瓷
|
|
Al2O3
|
65
|
75
|
80
|
85
|
90
|
93
|
99.3
|
|
Fe2O3
|
≤ 4
|
≤ 2
|
≤ 1.5
|
≤ 1.0
|
≤ 0.5
|
≤ 0.5
|
≤ 0.3
|
|
体密:g / cm3
|
2.8
|
3.10
|
3.20
|
3.40
|
3.50
|
3.60
|
3.85
|
|
硬度(莫氏)
|
7.5
|
≤ 7.8
|
≥ 8
|
≥ 8.6
|
≥ 8.8
|
9
|
9
|
|
吸水率: %
|
≤ 4
|
≤ 1
|
≤ 0.5
|
≤ 0.2
|
≤ 0.1
|
≤ 0.085
|
≤ 0.01
|
|
耐火度:℃
|
1300
|
1400
|
1450
|
1580
|
1600
|
1650
|
1800
|
|
常温抗折度: MPa
|
80
|
100
|
150
|
180
|
200
|
240
|
280
|
|
磨损率(常温冲刷研磨 100 小时) %
|
≤ 5
|
≤ 4.5
|
≤ 3.5
|
≤ 3
|
≤ 2.5
|
≤ 1
|
≤ 0.5
|