oxygen indicator
An oxygen indicator card can be combined with an oxygen absorber, It can be very easily to learn whether there is any oxygen in the package after deoxidizer (oxygen absorber)seal in it.
Oxygen indicator card is mainly used to detect the presence of oxygen in airtight container.
When in the presence of oxygen concentration is less than 0.1%, oxygen indicator 's color is pink.
when in the presence of oxygen concentration is more than 0.5%, oxygen indicator's color is blue.
Pink = Safe
Blue = Inspect your packaging
Usage:
The indicators are used with food packaging, diagnostics, chemicals and other oxygen sensitive applications. It's convenience,simple and safety.