Character: 
The humidity indicator card (also known as the humidity display card or humidity indicator card, HIC) is a card used to show the humidity condition of a sealed space.  The percentage values above or beside each circle indicate the relative humidity.

Use: 
The humidity indicator card is a convenient and safe method for detecting environmental humidity. Users can quickly determine the humidity inside the product packaging and the effectiveness of the desiccant by observing the color on the card. If the humidity inside the packaging exceeds or equals the specified value, the corresponding point on the card will change from the dry color to the absorbent color, allowing for a simple assessment of the desiccant's effectiveness.

Scope of Application: 
Electronic component packaging, optical equipment, sensitive components, various types of vacuum packaging. IC/Integrated/LCD boards, etc.

Specifications: 
30~40~50%, 10~20~30~40~50~60% 

Packaging: The inner packaging is a sealed bag.

Storage: Store in a dry and cool place, avoiding direct sunlight and water immersion.