As powerful desiccant, silica gel is effective in absorbing moisture from packaging materials and products. This range of chemicals is effective in absorbing 40% of its own weight in water. Silica gel is effective in preventing decaying of different products by adsorbing moisture from surrounding environment. Gel of silica can prevent build up of bacteria and molds inside any material. As suitable food additive, this gel has huge demand in the market. Its standard has been checked on the basis of its shelf life, composition, chemical characteristics, possible toxin content etc.