水菱镁 [3MgCO3·Mg(OH)2·3H2O)] 是一种天然式碳酸镁,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  indexWB/%

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