The HM-04 color change card was designed specifically for the electronics industry and has now been widely adopted in many other applications.
Ideal for use with other components of the "Dry Pack" concept of packaging by combining with a barrier bag to keep out moisture along with a desiccant.
Read the card at lavender between pink and blue for the current humidity level.
Complies with Mil-I-8835 and Mil STD-2073-1D Method 50
Indicates Humidity Levels: 10, 20, 30, 40%RH
Shelf-Life: 3 years in unopened can. shelf-life will degrade after once can is opened, replace desiccant periodically
Dimensions: 2 x 3 in (51 x 76 mm)
Package: 100 individually sealed cards /pint can
Type: Cobalt-Dichloride Free
Minimum Order: 25 cans
Price: Call For Quote