Humidity Indicator Card, Cobalt-Free 10-20-30-40-50-60%, 200/CAN

■ 6 spots (10-60%), indicator spots change from brown (dry) to yellow (humid) ■ Measures the level of relative humidity exposed to packaged contents ■ Common use in dry packaging of semiconductor and electronic devices ■ Free of Cobalt, a chemical that has classification and labeling requirements under the European Chemical Agency (ECHA) REACH directives ■ Reversible ■ Environmentally friendly ■ Verified using MIL-I-8835A test methods ■ Lead-free RoHS 3 Compliant ■ 200 cards per can ■ Made in the United States of America