CAS 93924-19-7
Chemical composition
Component
SiO2
Al2O3
Fe2O3
SO3
CaO
MgO
K2O
Na2O
Content (%)
50-55
28-33
2-4
0.1-0.2
0.2-0.4
0.8-1.2
0.5-1.1
0.3-0.9
Physical properties
Item
Test index
Appearance
High mobility spherical powder
Particle diameter(um)
10-400
Color
Grayish white
Specific resistance(Ω·CM)
1010-1013
True density(g/cm3)
0.5-0.99
Mohs hardness
6-7
Bulk density (g/cm3)
0.3-0.6
pH(in water)
6
Refractoriness(°C)
1450
Melting point (°C)
≥1400
Thermal diffusivity(m2/h)
0.000903-0.0015
Thermal conductivity (w/m·k)
0.054-0.095
Compressive strength (Mpa)
≥35
Refractive index
1.54
Loss on ignition(%)
1.33
Oil absorbency(g(oil)/g)
0.68-0.69
Specifications
Grade
Specification
Application
Price($/500g)
235622-P-1
40 mesh
General purposes
85
235622-P-2
60 mesh
235622-P-3
80 mesh
235622-P-4
100 mesh
235622-P-5
150 mesh
235622-P-6
200 mesh
235622-C-1
8-20 mesh
Thermal insulation
105
235622-C-2
20-30 mesh
235622-C-3
30-60 mesh
235622-C-4
60-80 mesh
235622-M-A
1.0-1.2 g/ml
Oil field drilling
112
235622-M-B
0.9-1.0 g/ml
235622-M-C
0.8-0.9 g/ml
235622-M-D
0.7-0.8 g/ml
235622-M-E
0.6-0.7 g/ml
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