Humidity indicator that does not use cobalt.
Cobalt-free humidity indicator
1. No use of heavy metals and rare metals (such as cobalt chloride) 2. Does not contain the six hazardous substances prohibited by the EU (European Union) RoHS directive 3. Good visibility (color contrast) 4. Changes to a cobalt-type hue in response to humidity 5. Can be disposed of as general waste
- Company：三昌商事
- Price：Other
