Properties: This Blue Silica Gel is one of the series of discoloration silica gel products which does not contain cobalt chloride developed by our company, the appearance is blue particles, and becomes purplish red after hygroscopic saturation. Because of its obvious color, efficient use, welcomed by the market.
Read MoreSend InquiryCharacteristics: In 1998, the European Union identified cobalt chloride as a second-class carcinogen, so the production of Orange Silica Gel was gradually stopped and eliminated from the market. Therefore, our company developed a series of silica gel products without cobalt chloride. Orange discoloration silica gel is one of them.
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