The Importance of Desiccant Dryers

Posted By DEMILEC || 2-Aug-2011

desiccant dryerDesiccant cartridges are extremely important to help prevent moisture from entering the A-Side Isocyanate drum as well as the recirculation line (*if applicable) on the Iso side. These 10” canisters feature a small indicator window that lets you see when the cartridge should be replaced. In the indicator window, you will see small blue colored rocks that will eventually turn pink.

Once these rocks have turned completely pink, it’s time to replace it. This canister is inexpensive and can save you a lot of time and trouble such as desiccant dryercrystallization (hardening of Iso) due to moisture.

The desiccant cartridge can be wall mounted or drum mounted. DEMILEC USA sells retro fit kits that can accommodate both set-ups. Due to the hot climate during our summer season, you may have exceptionally high humidity levels causing you to replace them more frequent than usual. If you have any questions or need assistance ordering, please inquire within.

As always read, understand and follow all instruction manuals and warning labels supplied with all equipment. Only trained and qualified personnel should perform repairs on the equipment. To access the latest equipment manuals visit

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