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 PRODUCTS |
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| 【Product range】 |
Electrical-grade Silicon Dioxide Micropowder |
| 【Features】 |
Electrical-grade crystalline-type silicon dioxide micropowder: With high-grade natural quartz used as raw material, this product is made through such processes as pickling and highly purified water treatment and as on. It is white and has pure texture. |
| 【Application】 |
Special filling material for epoxy casting in high-voltage power distribution and transformation system and ideal insulation material for casting in electrotechnics.
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【Main Spec & Technical Data】
Item & spec |
Chemical composition ％ |
Aqueous extract (1/10) ％ |
Hydrophobility
min |
Median particle size
D50um |
Specific surface area
cm2/cc |
SiO2 |
Water content |
Fe2O3 |
Al2O3 |
Loss on ignition |
Na+
ppm |
Cl-
ppm |
Fe3+2+
ppm |
Conductivity
us/cm |
PH Value |
HDDG-300 |
99.7 |
0.10 |
0.01 |
0.06 |
0.1 |
＜ 5 |
＜ 3 |
＜ 3 |
＜ 5 |
5.5 ～ 7.5 |
/ |
50 |
1800 － 2100 |
HDDG-400 |
99.7 |
0.07 |
0.01 |
0.06 |
0.1 |
＜ 5 |
＜ 3 |
＜ 3 |
＜ 5 |
5.5 ～ 7.5 |
/ |
35 |
2100 － 2300 |
HDDG-600 |
99.7 |
0.07 |
0.01 |
0.06 |
0.1 |
＜ 5 |
＜ 3 |
＜ 3 |
＜ 5 |
5.5 ～ 7.5 |
/ |
23 |
2600 － 2800 |
HDDGH - 300 |
99.7 |
0.07 |
0.01 |
0.06 |
0.1 |
＜ 5 |
＜ 3 |
＜ 3 |
＜ 5 |
5.5 ～ 7.5 |
＞ 45 |
50 |
1800 － 2100 |
HDDGH - 400 |
99.7 |
0.07 |
0.01 |
0.06 |
0.1 |
＜ 5 |
＜ 3 |
＜ 3 |
＜ 5 |
5.5 ～ 7.5 |
＞ 45 |
35 |
2100 － 2300 |
HDDGH - 600 |
99.7 |
0.07 |
0.01 |
0.06 |
0.1 |
＜ 5 |
＜ 3 |
＜ 3 |
＜ 5 |
5.5 ～ 7.5 |
＞ 45 |
23 |
2600 － 2800 |
HDDGH－ 1000 |
99.5 |
0.07 |
0.01 |
0.06 |
0.1 |
5 |
2.6 |
＜ 3 |
5 |
7 |
>45 |
13 |
4800 ～ 5000 |
HDDGH－ 1250 |
99.5 |
0.07 |
0.01 |
0.06 |
0.1 |
5 |
2.6 |
＜ 3 |
5 |
7 |
>45 |
10 |
5200 ～ 6500 |
HDDGH－ 2500 |
99.5 |
0.07 |
0.01 |
0.06 |
0.1 |
5 |
2.6 |
＜ 3 |
5 |
7 |
>45 |
5 |
6800 ～ 7000 |
HDDGH－ 5000 |
99.5 |
0.07 |
0.01 |
0.06 |
0.1 |
5 |
2.6 |
＜ 3 |
5 |
7 |
>45 |
2.5 |
9000 ～ 9500 |
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