Orange Silica Gel has been formulated by adding methyl violet in precise amounts so as impart its characteristic color. It is known to be capable of changing its color from orange to green or colorless when reached to its full absorption potential. This silica gel is greatly admired for giving flexibility to reuse after drying out moisture with help of heat. It is a desiccant which is used to prevent microbial growth in packed items by absorbing any moisture quickly. Orange Silica Gel is said to have ability to absorb up to 300% of moisture of its weight.