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Cobalt-free color-changing silica gel (orange silica gel) has the performance of changing its own color after absorbing moisture. Compared with blue silica gel, orange’s does not contain cobalt chloride (in 1998 the EU identified cobalt chloride as Class II carcinogen), and it is more suitable for customer’s use.
Item: Orange Silica Gel
Size: 1-3mm, 2-4mm , 3-5mm, 4-8mm etc.
Loss on heating: ≤2% ; ≤5%
The moisture,packing and size can be adjusted according to customer’s different requirements.
Product quality protection 
