Silica Fume (Undensified)

Silica Fume (Undensified) is very stable and is not susceptible to fire, explosion or decomposition. The finely divided dust may cause eye and respiratory irritation. Use good industrial hygiene practice and wear goggles and a dust mask when handling the material.

Appearance: Light grey powder

Specific Gravity: 2.1

Bulk Density: 250 kg/m³

Particle Size: 0.2 – 0.9 microns

Specific Surface Area: 20 – 23 m³/g

Loss on Ignition: 1.5 – 2.2%

pH: 7.0 – 7.6

Silicon Dioxide/Magnesium Oxide: 5-10%

Total Carbon: 1.75-2.25%

Iron Oxide: 1.0-1.5%

Aluminum Oxide: 0.5-1.5%

Sulphur: 0.12%

Chlorides: 0.09%

Total Alkalies Available: 1.0-1.5%

WHMIS: Controlled (see MSDS)

TDG: Not regulated

Packaging: 20kg bag