Pyrogenic Silica

Synthetic, hydrophilic, amorphous silica, produced via flame hydrolysis. Standard product for industrial applications.

Typical general characteristics
Property Inspection Method Value
The figures are intended as a guide and should not be used in preparing specifications.
BET surface DIN ISO 9277
DIN 66132
175 - 225 m2/g
INCI name Silica
Loss of weight DIN EN ISO 3262-19 < 2 %
Loss on drying DIN EN ISO 787-2 < 1.5 %
Sieve residue DIN EN ISO 787-18 < 0.03 %
Silanol group density 2 siohnm
Tamped density DIN EN ISO 787-11 65 g/l
SiO ²</> content (based on the substance heated at 1000 °C for 2 h) DIN EN ISO 3262-19 > 99.8 %
pH DIN EN ISO 787-9 3.8 - 4.3

All the information provided is in accordance with the present state of our knowledge. Nonetheless, we disclaim any warranty or liability whatsoever and reserve the right, at any time, to effect technical alterations. The information provided, as well as the product’s fitness for an intended application, should be checked by the buyer in preliminary trials. Contractual terms and conditions always take precedence.

This disclaimer of warranty and liability also applies – particularly in foreign countries – with respect to third parties’ rights.


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