... and desiccants have completed their job, add a humidity indicator card.Moisture sensitive spots on the cards act to various levels ... ) Approx. Shipping Weight 475gram (250pcs)/can, 6kg/cartonRoHS Not detected Cd, Pb, Hg, Cr6+, PBB, and PBDERoHS Not detected ... Cd,Pb,Hg,Cr,PBBs,PBBEApplication Used in moisture sensitive electronic ...