2.The harm of not using humidity indicator card: many companies will take some measures to protect products from the damage of moisture, such as using desiccant.But sometimes it is hard to judge the effectiveness of such measures, such as electronic components and other products that are vulnerable to moisture damage, which can occur when a desiccant exceeds its water-absorption limit and is not replaced in time.
3.What it means to use a humidity card: the humidity indicator allows you to easily see relative humidity in your environment.If the humidity card shows that the humidity reaches the critical humidity value of the product, the user can change the desiccant and check the product timely. The color changing accuracy of the humidity card is very important for you to know the actual moisture content of the product.