Humidity card production standard

* 2004/73/EC (EU Environmental Protection Regulation)

* GJB2494-95 (China People and Army Standards)

* MIL-I-8835A (American military packaging standard)

* JEDEC (Electronic Components Industry Alliance Standard)

application area

* Electronic component packaging, optical equipment and sensitive components.

* all kinds of vacuum packaging,

* IC/ integrated/circuit board, etc.

explain

1. When the ambient humidity reaches or the indicating point on the humidity indicator card is marked with numerical value, the indicating point will change from dry color to hygroscopic color.

2. When the ambient humidity decreases, the color of the point of the indicator card will change from hygroscopic color to dry color again.

3. When the color of the indicating point changes to the specified color, the value of the point is the humidity value of the current environment. Dry color moisture absorption color specified color I bright yellow light blue azure green II brown blue azure gray III bright yellow colorless NC light yellow yellow light yellow.

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