Silica Gel orange Beads contain methyl violet dye that converts from dark orange to dark green when adsorption of moisture reaches up to 40% of it’s weight. It is a suitable option to avoid cobalt dye. Silica Gel Orange is a non-toxic option for healthcare, pharmaceutical, medical & chemical industries. Orange crystals can be regenerated by heating like other silica gel and can be reused. Transformer breathers, flower drying & laboratory use are common for this product.