Density | 0.45-0.67[at 20℃] |
Water Solubility | 135mg/L at 37℃ |
Appearance | Fine white powder with particlesizes generally below 1mm. This is notthe same as the commercial products “fumessilica,” “silica gel,” “precipitated silica,” or“fused silica.” |
Storage Condition | Room temperature, dry, sealed |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Introduction | micro-silica powder, also known as silica fume, silica fume or silica ultrafine powder. Micro silicon powder is a kind of ultra-fine silicon powder material which is formed by the rapid oxidation and condensation of SiO2 and Si gas and oxygen in the air generated by the metallurgical electric furnace at a high temperature of 2000. |