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Dry-Packs DP45PLASTIC-2pk 45gm Indicating Silica Gel Hard Plastic Canister, Pack of 2
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- Dehumidifier canister is compact, rugged, portable and electric free, no cords
- Cobalt free Size- 2 1/4-inch by 2 1/4-inch by 1-inch sealed in clear plastic
- When orange beads turn dark green you can reactivate easily in oven or microwave
- Great for rvs, camping gear, fishing gear, camera case, lens storage
- Tool boxes, safes, gun cabinets, laptop bags, closets, storage bins, shoes, boats and more
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Dry-packs hard plastic dehumidifying can is compact, rugged, portable and electric free no cords.it contains top grade orange indicating silica gel inside a compact and portable hard plastic canister that makes it one of the most versatile desiccant products on the market that is easy to reactivate. It's built-in indicator will turn from orange to dark green signaling a need for reactivation. It can be reactivated in the oven or microwave, instructions provided in packaging.our dry-packs indicating silica gel desiccant canisters do not contain cobalt chloride ii indicating silica gel that is usually blue in color which has been linked as being possibly carcinogenic to humans and been labeled as hazardous material in some countries which is currently sold by other brands in the usa. Our indicating silica gel is reformulated to remove cobalt chloride ii which provides our customers with a safe indicating silica gel canisters for our customers. Our indicating beads will turn from orange to dark green when the silica gel is about 60-percent absorbed with moisture.
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If you need to keep items dry, these are a must!
However, if you have a powerful microwave, I would not recharge them in the microwave. The plastic will melt.
Instead, carefully remove the top cover, and carefully pour the silica beads in an oven safe container. Then 're-charge' the beads in the oven on 375 for a few hours. When the beads settle to room temp (while still in the oven), pour them back in the container, and place back in an airtight setting.
That said, these work best (and last the longest) in small, airtight containers. If the container they're stored in isn't air tight, they can turn green overnight.
When they turn dark green, they must be recharged. Although they turn lighter green after recharging, they never returned to their nice orange color.
Nevertheless, I've used these for years and they work --keeping my most cherished electronics operating like new, years after purchasing.
4 minutes at power level 1 a few times gets it done and the pack never gets beyond 130 degrees F so this is a maybe slower but conservative approach. For larger volume containers, you just need to figure out how many more dry packs are needed but for me, 1 gel pack per 1.2 Liter works
great and how much more than a liter it can protect I can not say.
Interestingly, in a separate order, I purchased "ATD Tools 7886 Jar of Replacement Desiccant" and "Home Value 10 Count Stainless Steel Mesh Tea Ball"; I made my own Dessicant canisters (each one about twice the volume of the "Dry-Packs"). They appear to be working as would be expected, side-by-side with the Dry-Packs. For my application, both types of these silica gel dessicant contaners are used in a relatively low humidity environment (<25%, rarely above 40%), so the process takes longer than most other applications. More will be revealed.
It is small, which I chose intentionally so as not to take up all the room in my relatively small Pelican case. I gave four stars only because recharging it seems to be more an art than a science. I microwave it in 20 second bursts, letting it cool in between. If you let it cool for too long each time then it takes more "cycles" so to speak. But if you don't let it cool enough, it can melt. Whatever you do, don't microwave it for more than 30 seconds or it will start to melt. I learned the hard way.
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