氧化鎂粉末(工業級、農業級、飼料級) | ||||||
---|---|---|---|---|---|---|
項目 | 規格 | |||||
MgO %min | 65 | 75 | 80 | 85 | 87 | 90 |
Mg | 39.19 | 45.22 | 48.24 | 51.26 | 52.46 | 54.27 |
CaO %max | 4 | 4 | 3.5 | 3.5 | 3 | 3 |
Fe2O3 %max | 1 | 1 | 1 | 1 | 1 | 1 |
Al2O3 %max | 1 | 1 | 0.8 | 0.5 | 0.5 | 0.5 |
SiO2 %max | 10 | 6 | 5.5 | 5 | 5 | 5 |
燒減%max | 22 | 15 | 10 | 5 | 5 | 4 |
活性 | 42-45 | 49-52 | 52-55 | 56-59 | 57-60 | 59-62 |
重金屬(Pb) | ≤20ppm | |||||
As | ≤4ppm | |||||
尺寸 | 60-325mesh |