Humidity Indicator Cards - 3 Spot 30-40-50% Tin of 125

Humidity Indicator Cards are used to determine whether products have been exposed to moisture and humidty above recommended storage levels. 

This is a great low-cost method of indicating humidity conditions inside a moisture barrier bag following vaccum packaging. 

As the humidity increases or decreases the moisture senstive spots on the cards change colours.

Key Features:

• Humidity indicators are used to quickly retect moisture and humidity levels in packaging
• Colours change to indicate RH levels inside of the packaging
• The composition is composed of the Cobalt Dichloride on cardboard
• Lightweight material 
• Can be vaccumed sealed
• Cost-effective
• Early identification prevents damaged items from entering production
• Identify and/or monitor humidity levels prior to opening inner contents
• RoHS and REACH compliant

*Picture may not be of the actual product.

How Do Humidity Indicator Cards Work?

The indicator spots on the HICs change colour from Blue to Pink as humidity increases and from Pink to Blue as humidity decreases.