Electronic communication functional filling materi
SJR-0200
2022-06-21
Specification
High purity,Resistance to yellowing,Low magnetic foreign body,Electrical stability.
Application
Silicone rubber,sealant,Pouring sealant,Epoxy molding compound,Burn note material,Coating material,wood lacquer,water-based paint, Fine polishing,Precision casting.
Physical Characteristics
| Item | Unit |
SJR-0200 |
Test Method | |
| Average Particle Size | D50 | μm |
12.0~30.0 |
Laser particle size analyzer |
| Specific Surface Area |
m2/g |
≤0.1 |
Specific surface area analyzer | |
| Electrical Conductivity |
μS/cm |
≤50.0 |
Electrical Conductivity Meter | |
| PH |
/ |
6.5±1.0 |
PH Meter | |
|
Moisture |
% |
≤0.3 |
Mass loss |
|
| Whitenesse | % | ≥82 | Whiteness Meter | |
Chemical Characteristics
| Item | Chemical compositions（%） | Test Method | ||
|
SiO2 |
Al2O3 |
Fe2O3 |
||
|
Specification |
≥99.85 |
≤0.20 |
≤0.03
|
Difference Method、complexometric titration、Colorimetric Method
|
SEM Image
Typical test data are listed in the above Tables unless otherwise specified.
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