It is semi-transparent blue material available in beads & crystals form. The indicating gel can absorb up to 40% of its weight in water vapor. Silica gel blue crystals are generally looks like glassy and semi transparent substance that contains cobalt as an indicator. Basically, the inner structure of Blue silica Gel Silica Gel Manufacturers in Rajkot Silica Gel Manufacturers in Mumbai Silica Gel Manufacturers in Chennai Silica Gel Manufacturers in Ahmedabad