Humidity indicator card help in indicating moisture. The desiccants serve a wider array of applications than computers, electronics, and military products. The moisture indicator cards are rigid paper with “Relative Humidity” reading cards, reversible and without cobalt dichloride. They are applied in the packaging and provides a visual test of the humidity level within the packaging. The moisture indicator card are being able to indicate the rate of humidity from 5% to 95%, totally depending on the application. However, if the humidity level is too high then it's time to replace the desiccant and verify the quality of the product, has not been altered. Therefore, it is always advisable that the humidity indicator cards should be combined with desiccants, in any application. What to do if you want to view the level of humidity present in your product packaging? Humidity indicating card is available to find out the humidity conditions for a variety of barrier packaging. They are generally kept inside dry vacuum-packed blockade bags that help you to check the inside humidity. These cards are often used in conjunction with the desiccant so that you can use the right moisture and humidity adsorption solution based on the recorded humidity condition. It helps in obtaining a complete environmental control system. The humidity level can be easily checked when the spots turn from blue to pink color. Humidity indicating card enable you to benefit from a reliable and visual sign of humidity inside the sealed package.