High-purity quartz powder manufactured via high-temperature melting and spheroidization.
Features: High sphericity, narrow particle size distribution, multiple surface modification options, excellent flowability.
Recommended applications: HDI substrates, high-frequency high-speed materials, potting adhesives..
High-purity quartz powder manufactured via high-temperature melting and spheroidization.
Features: High sphericity, narrow particle size distribution, multiple surface modification options, excellent flowability.
Recommended applications: HDI substrates, high-frequency high-speed materials, potting adhesives..
Typical data
|
Test Items |
Unit |
FA |
Test Method |
|
|
Particle Size |
D50 |
μm |
2.5-8 |
Laser particle size analyzer |
|
D99 |
μm |
6-15 |
||
|
Chemical Composition (SiO2) |
% |
99.5 |
XRF |
|
|
PH |
—— |
7.0 |
Acid base detector |
|
|
SSA |
m2/g |
3.8 |
SSA analyzer |
|
|
Spheroidization Rate |
% |
95.0 |
SEM |
|
|
tanδ |
—— |
0.0009 (10GHz) |
Paraffin Compression Method |
|
|
CTE |
ppm/℃ |
0.5 |
Theoretical Value |
|
Typical data
|
Test Items |
Unit |
FA |
Test Method |
|
|
Particle Size |
D50 |
μm |
2.5-8 |
Laser particle size analyzer |
|
D99 |
μm |
6-15 |
||
|
Chemical Composition (SiO2) |
% |
99.5 |
XRF |
|
|
PH |
—— |
7.0 |
Acid base detector |
|
|
SSA |
m2/g |
3.8 |
SSA analyzer |
|
|
Spheroidization Rate |
% |
95.0 |
SEM |
|
|
tanδ |
—— |
0.0009 (10GHz) |
Paraffin Compression Method |
|
|
CTE |
ppm/℃ |
0.5 |
Theoretical Value |
|