Humidity indicator card 1, Lead-free RoHS compliant 2, reversible color change, 3, quick ... and semiconductor 2, Features: Humidity indicator card 1, Lead-free RoHS compliant 2, reversible color change, 3, quick delivery ... 24 hours 4, OEM allowed 5, cocl2, coblat free and cocl2 free types are available 6, meet MIL-I-8835 ... cards to a can, 3000PCS to a carton Cobalt Free humidity indicator card
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