physical properties of microsilica crystal silica dioxide
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Ordinary silicon powder has high insulation,high inertia,uniform particle size distribution characteristics.As the epoxy curing system the basic high quality filler is widely used.
Chemical Composition
SiO2 | Fe2O3 | Al2O3 | Water Content | LOI |
≥99.4% | ≤0.030 | ≤0.20 | ≤0.1 % | ≤0.1% |
Size
Silica powder grade | Main specifications |
PG (Ordinary ) |
300mesh(45µm) ,400mesh(38µm), 600mesh(23µm), 1000mesh(13µm), (Size is adjustable)
|
QG (Remove ion ) | |
TG (Super white ) | |
DG (Electrical grade ) | |
DHG (Active electrical grade ) | |
JG (Electronic grade crystalline ) | |
JHG (Electronic grade crystalline ) | |
RG (Electronic grade amorphous ) | |
RHG (Electronic grade activated amorphous ) | |
CG (Ultra fine ) | 8µm, 5µm, 3µm, 2µm |
RC (Cristobalite) | 10µm, 5µm, 2µm |
Main Products Chemical Composition
Silica powder grade | SiO2 % | Fe2O3 % | Al2O3 % | Moisture % | Hydrophobic | PH Value |
PG (Ordinary ) | ≥99.4 | ≤0.03 | ≤0.2 |
≤0.01
| ———— |
6.5-7.0
|
QG (Remove ion ) | ≥99.5 | ≤0.03 | ≤0.15 | ———— | ||
TG (Super white ) | ≥99.6 | ≤0.01 | ≤0.2 | whiteness≥94 | ||
DG (Electrical grade ) | ≥99.65 | ≤0.03 | ≤0.08 | ———— | ||
DHG (Active electrical grade ) | ≥99.65 | ≤0.03 | ≤0.08 | ≥ 45min | ||
JG (Electronic grade crystalline ) | ≥99.7 | ≤0.016 | ≤0.08 | ———— | ||
JHG (Electronic grade crystalline ) | ≥99.65 | ≤0.016 | ≤0.08 | ≥ 45min | ||
RG (Electronic grade amorphous ) | ≥99.8 | ≤0.004 | ≤0.08 | ———— | ||
RHG ( activated amorphous ) | ≥99.8 | ≤0.004 | ≤0.08 | ≥ 45min | 5.5-7 | |
CG (Ultra fine ) | ≥99.5 | ≤0.03 | ≤0.08 | ≤0.15 | ———— | 6-7.5 |
RC (Cristobalite) | ≥99.5 | ≤0.008 | ≤0.03 | ———— | 7 |
Silica powder grade | Na+ (ppm) | Cl- (ppm) | EC (µs/cm) | Amorphous SiO2 | Mohs hardness | LOI % |
DG (Electrical grade ) | — | — | ≤15 | — |
7 |
≤0.1 |
DHG (Active electrical grade ) | ≤5 | ≤10 | ≤10 | — | ||
JG (Electronic grade crystalline ) | ≤5 | ≤5 | ≤3 | — | ||
JHG (Electronic grade crystalline ) | ≤5 | ≤5 | ≤4 | — | ||
RG (Electronic grade amorphous ) | ≤2 | ≤4 | ≤3 | ≥98% | ||
RHG ( activated amorphous ) | ≤2 | ≤4 | ≤3 | ≥98% | ||
CG (Ultra fine ) | — | — | — | — | ≤0.3 | |
RC (Cristobalite) | ≤3 | ≤4 | ≤5 | — | ≤0.2 |
SGS Certificate
1) Electrician,electrical appliance,electronic components epoxy castable,potting compound.
2)silicon rubber,welding electrode insulation layer,refractory material,ceramic glaze,adhesive,coating,casting.
A: 25kgs quartz powder per pp bag, 1 metric ton per jumbo bag.
B: 200kgs quartz powder per steel drum.
C: 250kgs quartz powder per steel drum.
Recommend 20 feet container, maximum loading capacity 24 tons quartz powder.
Through domestic counterparts pioneered multi-level material crushing, grading, cleaning, removing iron, screening and purification by fully automated micro-manage production processing equipment, we produce 20,000 tons refined sand, 5,000 tons multipurpose micro silica powder and 30,000 tons super white, ultra-thin special glass sand annually.