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Maximum Humidity Indicator Card MX56789 |
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The
MX56789 Maximum Humidity Indicator Card was designed for applications
which require monitoring the maximum humidity attained when exposed
for a period of 24 hours or more. Each level of humidity indicated
on these cards is represented by an blue crystal which dissolves
when the RH level exceeds the humidity shown below it. When
the crystals dissolve, they create a large blue stain above the
indicated humidity. Example: If the highest humidity level reached is 70% RH, then all circles up to and including 70% will have dissolved crystals and the area surrounding each circle will be stained blue. |
| This is an inexpensive, simple way to determine if storage or shipping
containers have been exposed to high humidities during their shelf
life. The maximum humidity indicator card should not be removed
from its waterproof bag until the container in which it is to be
placed is ready to be sealed. The unused cards should be returned
to their original desiccated shipping container. NOTE: The maximum humidity segments of this card is NON-reversible. Once the crystals have dissolved, the card cannot be reactivated. Size: 4-1/2" w x 3" h |
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