HDK® N20
Pyrogenic Silica
Synthetic, hydrophilic amorphous silica, produced via flame hydrolysis.
| Property |
Inspection Method |
Value |
| BET surface |
DIN ISO 9277/ DIN 66132 |
170 - 230 m2/g |
| INCI name |
|
silica |
| Loss on drying |
DIN EN ISO 787-2 |
< 1.5 % |
| Sieve residue |
DIN EN ISO 787-18 |
< 0.04 % |
| Tamped density |
DIN EN ISO 787-11 |
40 g/l |
| pH (in 4 % aqueous dispersion) |
DIN EN ISO 787-9 |
3.8 - 4.3 |
The figures are intended as a guide and should not be used in preparing specifications.
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This disclaimer of warranty and liability also applies – particularly in foreign countries – with respect to third parties’ rights.