Humidity Indicator Cards: Are They Really Necessary?

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moisture barrier bags

If you’re familiar with our products at Edco Supply Corporation, then you probably know that our packaging is focused on preventing damage from happening.  There is one product that we manufacture that some people don’t really understand why it’s necessary, though, and that’s humidity indicator cards.  Humidity indicator cards have moisture sensitive spots that indicate the level of moisture that the package was exposed to.  Since it can’t protect the package at that exact moment, why are they important?


They Let You Know If You Should Check For Damage 

If you receive a package and you notice that the card tells you that the package was exposed to a high level of humidity, it doesn’t necessarily mean that the product is damaged.  That being said, this information will let you know that you should check for damage.  If you can identify damage early-on, you may be able to save the product; if not, it may be a sign that you should return it.


They Help You Realize Whether or Not Your Protective Packaging Works

If you’re using protective packaging but the humidity indicator card says otherwise, then you should consider what type of packaging you’re using.  For instance, when it comes to desiccant packs, you should use a certain amount of desiccants based on the size of your package.  If it doesn’t work, then it could be a sign that you need to reconsider how much and what type of packaging you’re using.  Maybe instead of desiccant packs, moisture barrier bags are a better option.


They Can Help You Save Money in the Long-Run

If they do indicate that moisture is still reaching your products, that means that your products are still at risk of being damaged.  By adjusting your protective packaging to better serve your products, they’ll face less risk during storage and shipping.  This means that once you identify the problem, you can fix it so that you don’t have to spend money replacing any damaged products.


Humidity indicator bags are a great resource for fulfilling business orders or sending important equipment to the military.  To learn more, give us a call.

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