Fumed Silica (Net vol 16 oz)
A hydrophilic silica used to increase transparency in oil paints. Learn more.
Fumed Silica (also called pyrogenic silica) is a hydrophilic silica with a specific surface area of 200 square meters per gram. Fumed silica has a chain-like particle structure that bonds to trap liquid, increasing viscosity. Add to thicken and increase the transparency of the paint. Stirring or brushing paint containing fumed silica will cause it to flow, but the paint will 'thicken up' again when stopped. This property is called ‘thixotropy’.
| Properties | |
| Physical Properties | |
| Color: | White |
| Physical Appearance: | Light powder |
| Average Primary Particle Size: | 12 nm |
| Specific Surface Area (BET): | 200 m2/g |
| Bulk Density, Loose: | 30 g/L |
| Bulk Density, Packed: | 50 g/L |
| Oil Absorption (Gardner-Coleman): | 138 g oil per 100 g pigment |
| pH Value (4% solution): | 3.7–4.7 |
| Refractive Index: | 1.48–1.50 |
| Moisture Content (maximum) (ASTM C 323-56 or C 234-82): |
1.5% |
| Loss on Ignition (ASTM C 323-56): | 1.0% |
| Chemical Analysis | |
| Silicon Dioxide (SiO2): | 99.8% |
| SKU | 510-18FSIL16 |
|---|---|
| Brand | Rublev Colours |
| Vendor | Natural Pigments |
| Processing Time | Usually ships the next business day. |
| Size | 16 fl oz (473.1 ml) |
Health & Safety: Does not contain crystalline silica. There are no acute or known chronic health hazards with the anticipated use of this product (most chemicals are not thoroughly tested for chronic toxicity). Protect yourself against potentially unknown chronic hazards of this and other chemical products by avoiding ingestion, excessive skin contact, and inhaling dust. Contact us for further information or consult the SDS for more information. Conforms to ASTM D-4236.
Although this product is not considered a health hazard with the anticipated use, powders may cause skin and eye irritation. Inhalation of dust may cause respiratory irritation. Avoid contact with eyes and prolonged or repeated contact with skin. If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
IF SWALLOWED: Do not induce vomiting. If conscious, drink plenty of water. Never give anything by mouth to an unconscious person.
IF IN EYES: Hold eyelids apart and flush eyes with plenty of water for at least 15 minutes.
IF ON SKIN: Wash with soap and water. Call a physician if symptoms develop or persist.
