Indicating Silica Gel changes color to alert the user that the desiccant is reaching its adsorption capacity. Silica Gel is a form of silica manufactured from sodium silicate and sulfuric acid. Silica Gel is non-hazardous and is capable of adsorbing 40% of its weight in water vapor at 100% humidity. Silica Gel has a porous molecular structure that closely resembles a sponge, and has the highest capacity of any commercial desiccant for moisture adsorption. Used in a wide variety of applications such as: Pharmaceutical, electronics, diagnostic kits, foods, clothing, powders, vitamins, consumer products, parts etc. Clear View perforated polypropylene bags, packaged in 1 gallon pails and/or 10 gallon drums.
