| Country/Region | china |
|---|---|
| Company | Jiangxi Kete Fine Powder Co, Ltd |
| Categories | Test Sieve |
| Telephone | 0795-2506333, 2527786 |
| ICP License | Issued by the Chinese Ministry |
Brief
Ordinary wollastonite powder（CaSiO3）
Raw materials: natural three - in - crystal system of silica fume (threadiness, needle)
Characteristics: non-toxic, pollution-free, high melting point, corrosion resistance, aging resistance, refractive index, with good fill strong, sealing, heat-resisting and wear-resisting property and stability etc..
3.Process：
Product specification model, index items
Specification model Test item | 200M | 325M | 400M | 600M | |
SiO2 | %≤ | 47-49 | 47-49 | 47-49 | 47-49 |
CaO | %≥ | 46-48 | 46-48 | 46-48 | 46-48 |
Fe2O3 | %≤ | 0.20 | 0.20 | 0.20 | 0.20 |
MgO | %≤ | 0.25 | 0.25 | 0.25 | 0.25 |
Al2O3 | %≤ | 0.25 | 0.25 | 0.25 | 0.25 |
PH Value | PH | 7-9 | 7-9 | 7-9 | 7-9 |
Whiteness | %≥ | 85 | 85 | 87±1 | 87±1 |
True Specific Gravity | （t/m3) | 2.7-2.8 | 2.7-2.8 | 2.7-2.8 | 2.7-2.8 |
Postulate Specific Gravity | （t/m3) | 0.6-1.4 | 0.6-1.4 | 0.6-1.4 | 0.6-1.4 |
Moh's Hardness | 4.5-5.5 | 4.5-5.5 | 4.5-5.5 | 4.5-5.5 | |
Refraction Coefficient | 1.63 | 1.63 | 1.63 | 1.63 | |
Melting Point | ℃ | 1540 | 1540 | 1540 | 1540 |
Density | 2.75 | 2.75 | 2.75 | 2.75 | |
Coefficient of Thermal Expansion | 6.5*10-6 | 6.5*10-6 | 6.5*10-6 | 6.5*10-6 | |
Length Density | 20-35：1 | 20-35：1 | 20-30：1 | 20-30：1 | |
Loose Density | (g/cm2) | 0.1-0.15 | 0.1-0.15 | 0.1-0.15 | 0.2-0.25 |
Compacted Density | (g/cm2) | 0.8-0.85 | 0.8-0.85 | 0.8-0.85 | 0.8-0.85 |
Loss on lgnition | % | 3-5 | 3-5 | 3-5 | 3-5 |
Moisture Content | %≤ | 0.3 | 0.3 | 0.3 | 0.3 |
45m Sieve Test | (20m)≤ | 0.001 | 0.001 | 0.001 | 0.001 |
Particle Size | D97(m)≤ | 100 | 58 | 48 | 30 |
Product Shape | threadiness | threadiness | threadiness | threadiness | |
Appearance | White powder | White powder | White powder | White powder | |
Note: according to customer demand, we can produce Active Heavy calcium carbonate with different Whiteness, purity or fineness
Uses
Widely u
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