Silica Gel Products and How to Use Them - Wiki
Silica gel is a hard, inert crystalline material available in granular, powder, or spherical bead forms. Commercial products are also available in which the gel is impregnated into other materials such as paper and polymers. Silica gel is non-combustible, non-corrosive, and non-toxic. Avoid breathing in the dust of silica gel, however, and ...