Electronic communication functional filling materi
SJR-0040H
Date：2022-06-21 Views：314
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-0040H |
Test Method | |
| Average Particle Size | D50 | μm |
5.0～6.0 |
Laser particle size analyzer |
|
Coarse Particle Ratio |
＋75 μm |
% |
≤0.1 |
/ |
|
Specific Surface Area |
m2/g |
1.0~2.5 |
Specific surface area analyzer |
|
| Electrical Conductivity | μS/cm |
≤30.0 |
Electrical Conductivity Meter |
|
| PH | / | 6.5±1.0 | PH Meter | |
|
Moisture |
% |
≤0.3 |
Mass loss |
|
| Whitenesse | % | ≥92 | Whiteness Meter | |
Chemical Characteristics
|
Item |
Chemical compositions（%） |
Test Method |
||
|
SiO2 |
Al2O3 |
Fe2O3 |
||
|
Specification |
≥99.6 |
≤0.20 |
≤0.02 |
Difference Method、complexometric titration、Colorimetric Method |
SEM Image
Typical test data are listed in the above Tables unless otherwise specified.
