Blue Silica Gel Orange Gel Silica Desiccant For Transformer.Silica Gel Blue.Blue silica gel has the special characteristics that its color changes from blue to pink after moisture absorption.Jun 3rd, 2022 8:58 AMShare this on :KeywordsTransformerBlue Silica Gel Orange Gel Silicacolorpinkmoisture absorptionspecial characteristics