According to the size of the customer request
1:excellent wear resistant
2:low water absorption
3:high mechanical strength
4:short lead time
5:acid and alkali ceramic
2:low water absorption
3:high mechanical strength
4:short lead time
5:acid and alkali ceramic
6:high temperature resistant ceramic
7:corrosion resistance ceramic
8:oxidation resistance ceramic
|
Material
|
70
Al2o3 |
75
Al2o3 |
80
Al2o3 |
85
Al2o3 |
90
Al2o3 |
95
Al2o3 |
99
Al2o3 |
|
Al2o3
|
65%
|
75%
|
80%
|
85%
|
90%
|
93%
|
99.3%
|
|
Fe2o3
|
≤ 4
|
≤ 2
|
≤ 1.5
|
≤ 1.0
|
≤ 0.5
|
≤ 0.5
|
≤ 0.3
|
|
Desnsity: g / cm3
|
2.8
|
3.10
|
3.20
|
3.40
|
3.50
|
3.60
|
3.85
|
|
Vickers Hardness
|
7.5
|
≤ 7.8
|
≥ 8
|
≥ 8.6
|
≥ 8.8
|
9
|
9
|
|
Water Absorption: %
|
≤ 4
|
≤ 1
|
≤ 0.5
|
≤ 0.2
|
≤ 0.1
|
≤ 0.085
|
≤ 0.01
|
|
Refractoriness: ℃
|
1300 ℃
|
1400 ℃
|
1450 ℃
|
1580 ℃
|
1600 ℃
|
1650 ℃
|
1800℃
|
|
Flexural Strength:Mpa
|
80
|
100
|
150
|
180
|
200
|
240
|
280
|
|
Wear Rate( at room temperature,
erosion, 100 grinding)% |
≤ 5
|
≤ 4.5
|
≤ 3.5
|
≤ 3
|
≤ 2.5
|
≤ 1
|
≤ 0.5
|