Humidity indicator card 1) Economical cost, convenient use 2) Amazing price, high quality, prompt delivery 3) Certificated SG

Humidity indicator cards are small, paper instruments designed to monitor relative humidity levels in sealed packaging bags.To make sure your moisture barrier bags and desiccants have completed their job, add a humidity indicator card.Moisture sensitive spots on the cards act to various levels of humidity with a visible color change from blue to pink.Take a look at the card when you open the bag. The card will indicate the humidity level within your package. Any color change from blue to pink indicates an unsealed container and /or damaging level of humidity.

Packaging 250pcs per pint can, 12cans per carton (Carton size L33xW22.5xH27.5cm) 

Approx. Shipping Weight 475gram (250pcs)/can, 6kg/carton

RoHS Not detected Cd, Pb, Hg, Cr6+, PBB, and PBDE

Application Semiconductor, PCB, SMD,Optical instrument, High precision equipments and military related products in storage and shipping.

Cobalt-free humidity indicator