Humidity Indicator Paper

Cambridge Environmental Products, Inc. Verified independent store

→

Humidity Indicator Paper - Humidity in air 2% (Relative) Humidity Indicator paper strips from Johnson Test Papers are cobalt chloride free, and do not contain any carcinogenic or t oxic materials, making them easy and safe to use. Used for the detection of atmospheric moisture. Paper should be yellow-green to start, or dried at 40°C- 50°C before use to give a yellow-green colour. On exposure to atmospheric moisture, the paper will turn to pale yellow. Clear colour change from yellow-gree to pale to colourless at approximatedly 2% humidity 10 books of 20 strips Show more