Multi Minerals Micro Silica is micronized high purity natural crystalline silica. It is inherently bright, white, low in moisture and chemically inert in nature. Due to its hardness, it yields improved durability and burnish resistance. Along with this, our Micronised Silica has excellent anti-foaming properties, sheen control with low resin consumption. Micro Silica Product Range NanoSil 501 (25 Microns | SiO2 97% | Whiteness 93% - 95%) NanoSil 502 (25 Microns | SiO2 95% | Whiteness 90% - 93%) NanoSil 503 (25 Microns | SiO2 95% | Whiteness 85% - 87%) MicroSil 401 (37 Microns | SiO2 99% | Whiteness 93% - 95%) MicroSil 402 (37 Microns | SiO2 98% | Whiteness 90% - 93%) MicroSil 301 (44 Microns | SiO2 99% | Whiteness 93% - 95%) MicroSil 302 (44 Microns | SiO2 98% | Whiteness 89% - 93%) MicroSil 303 (44 Microns | SiO2 96% | Whiteness 85% - 87%) MicroSil 201 (74 Microns | SiO2 99% | Whiteness 93% - 95%) MicroSil 202 (74 Microns | SiO2 98% | Whiteness 89% - 93%) MicroSil 203 (74 Microns | SiO2 96% | Whiteness 85% - 87%) Features: Chemically Inert Controlled Particle Size Naturally Hard Long Self Life