Three Dots Free Sample Paper Humidity Sensitive

Three Dots Free Sample Paper Humidity Sensitive

1,Lead-free ROHs compliant 2,reversible color change, 3,quick delivery within 24 hours 4, cocl2, coblat free and cocl2 free types are available 5, meet MIL-I-8835 and J-STD-033 requirements 6, A permanent after-sales service.

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Product Details


High Quality Brown To Blue Humidity Indicator Card.PNG



Chunwang Environmental Protection Technology Co., Ltd


Our Humidity Indicator Card will be helpful in judging if the package is safe to the product, indicating if the desiccant inside the package remains valid or needs to be replaced. The humidity indicator dots will change from blue / brown to pink / light green as the relative humidity increases in the volume of air surrounding the indicator. The humidity indicator dots are reversible, and the pink / light green dots will change back to blue / brown when the volume of air is dried. So, when open the package or container, if the humidity indicator dots are blue, it shows that the product is well sealed and in safe conditions.

Established in 1998, Chunwang is well-known as one of the leading manufacturers and suppliers of three dots free sample paper humidity sensitive in China. During the past two years, we have introduced advanced equipment and technology into our factory. Please be free to buy our cheap products made in China.
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