Al2O3 MIN
90% |
89% |
88% |
87% |
86% |
85% |
83% |
80% |
78% |
75% |
70% |
65% |
Fe2O3 MAX
1.5% |
1.8% |
2.0% |
2.5% |
4.0% |
2. 倒煙窯礬土
Al2O3 MIN
90% |
89% |
88% |
87% |
86% |
85% |
83% |
80% |
78% |
75% |
70% |
65% |
Fe2O3 MAX
1.5% |
1.8% |
2.0% |
2.5% |
4.0% |
3. 研磨級礬土
研磨級礬土 86
Fe2O3 MAX 2.0%
SiO2 Max 6.0% / 6.5%
研磨級礬土 88
Fe2O3 MAX 2.0%
SiO2 MAX 5.0%
4. 生礬土
Al2O3 MIN:45%-75%
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