Our Indicating (Orange) Silica Gel and Non-Indicating (White) Silica Gel does NOT contain DMF and Cobalt Chloride (II) (normally a Blue or Pink color of Silica Gel) which is classified as a IARC Group 2B carcinogen. Our Cobalt Chloride FREE indicating Silica Gel beads will turn from Orange to Dark Green when the Silica Gel is about 60% absorbed with moisture.

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