水菱镁 [3MgCO3·Mg(OH)2·3H2O)] 是一种天然碱式碳酸镁,该矿石含镁量高,外观白色,质地较轻、较硬、多孔,放入水中有小气泡浮出,杂质含量低,分解最高温度727℃,是一种优质含镁非金属矿材料,是制造镁质材料的优质原料,广泛应用于冶金、化工、建材、耐火材料等行业。
Chemical Analysis |
HMG1(进口) |
HMG2(进口) |
MgO |
36.60%±1 |
35.00%±1 |
SiO2 |
2.50% |
2.50% |
Al2O3 |
0.25% |
0.55% |
Fe2O3 |
0.08% |
0.06% |
CaO |
4.70% |
10.70%±1 |
L.O.I |
50.00%±2 |
50.00%±2 |
Physical Properties |
|
|
Whiteness R-457 |
90.00±1 |
89.00±1 |
Moisture Content(105℃) |
0.50% |
0.50% |
Density(gr/cm3) |
0.35±0.05 |
0.38 |
Moh’s Scale Hardness |
3.50 |
3.50 |
Particle Size Distribution |
|
|
|
>100μm 0.01% |
>45μm 0.01% |
d50 |
2.60μm±1μm |
2.50μm±1μm |
d97 |
16.80μm±3μm |
22.00μm±3μm |
<2μm |
40.20% |
39.00% |
chemical index(WB/%) |
HMG3(国产) |
MgO |
≥41 |
CaO |
≤1.3 |
Fe2O3 |
≤0.07 |
SiO2 |
≤0.56 |
Al2O3 |
≤0.08 |
Na2O |
≤0.45 |
K2O |
≤0.085 |
TiO2 |
≤0.0065 |
P2O5 |
≤0.0085 |
B2O3 |
≤0.27 |
L.O.I |
≥55 |
Whiteness:(R457) |
≥94 |
Surface Water |
≤0.5 |