Muscovite
1. Characteristics and uses of mica powder
Mica has muscovite, biotite, ...  More ...Muscovite
1. Characteristics and uses of mica powder
Mica has muscovite, biotite, phlogopite, lepidolite and other types. Muscovite is the most common mica.
Mica has high insulation performance, heat resistance, acid resistance, alkali corrosion resistance, and small thermal expansion coefficient. No matter how broken it is, it is in the form of flakes, with good elasticity and toughness. The mica powder has a large diameter-to-thickness ratio, good sliding properties, strong covering performance and strong adhesion.
Wancheng
Mica powder
is widely used in the fields of insulation, heat insulation, paints, coatings, pigments, fire protection, plastics, rubber, ceramics, oil drilling, welding electrodes, cosmetics, aerospace, etc.
2, Mica chemical composition
chemical composition
SiO 2
Al 2 O 3
Fe 2 O 3
CaO
Na 2 O
MgO
TiO 2
K 2 O
H 2 O
Content %
45-48
20-33
2-5
0.03-0.05
0.8-1.5
0.69-0.48
0.06-0.65
7-9.8
0.01-0.13
3, The physical properties of Muscovite
proportion
Refractive index
PH value
BaiDu
Diameter to thickness ratio
Moh's hardness
Temperature resistance
Loss on ignition
Moisture
2.87
1.66
7-8
60-80
＞60
2.75
1000 ℃
2.8-3%
＜1%
4. Main product specifications
1, Wet ground mica powder
specification
Sieve residue %
Sand content %
Bulk density
Water content %
Loss on ignition %
Whiteness °
Diameter to thickness ratio
100 mesh
＜5.0
＜0.5
<0.28 g / cm 3
＜1.0
＜4.3
＞70
＞70
200 mesh
＜5.0
＜0.5
<0.25 g / cm 3
＜1.0
＜4.3
＞70
＞70
325 mesh
＜5.0
＜0.2
<0.25 g / cm 3
＜1.0
＜4.3
＞70
＞70
400 mesh
＜10.0
＜0.1
<0.23 g / cm 3
＜1.0
＜4.3
＞70
＞70
2, Dry grinding mica
specification
Sieve residue %
Sand content %
Bulk density
Water content %
Loss on ignition %
Whiteness °
Diameter to thickness ratio
20 mesh
＜5.0
＜1.0
<0.35g / cm 3
＜1.0
＜4.3
＞60
40 mesh
＜5.0
＜2.0
<0.35g / cm 3
＜1.0
＜4.3
＞60
60 mesh
＜5.0
＜3.0
<0.35g / cm 3
＜1.0
＜4.3
＞60
100 mesh
＜5.0
＜3.0
<0.30g / cm 3
＜1.0
＜4.3
＞50
＞60
200 mesh
＜5.0
＜0.5
<0.30g / cm 3
＜1.0
＜4.3
＞60
＞60
325 mesh
＜5.0
＜0.2
<0.25g / cm 3
＜1.0
＜4.3
＞60
＞60
400 mesh
＜10.0
＜0.1
<0.23g / cm 3
＜1.0
＜4.3
＞70
＞60
600 mesh
＜10.0
＜0.1
<0.23g / cm 3
＜1.0
＜4.3
＞70
＞70
800 mesh
＜10.0
＜0.1
<0.23g / cm 3
＜1.0
＜4.3
＞70
＞70
1000 mesh
＜10.0
＜0.1
<0.23g / cm 3
＜1.0
＜4.3
＞70
＞70
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