![]() When the first cylinder of desiccant is saturated, the air can then be passed to the cylinder that contains dry desiccant. Dryers have two cylinders that are connected by a valve system and contain a desiccant material like silica gel. Silica gel desiccant manual#Although there are manual desiccant dryers, many are regenerative. This type of dryer removes water molecules from the surrounding air by way of a desiccant that can absorb it. What is a Desiccant DryerĪ desiccant dryer is typically used to dry air for various applications. A self-indicating silica gel allows for a visual indication of the level of activity that is taking place. CONTACT US For more information about indicating desiccants, please call us at (520) 881-2130 or send us an email. Indicating silica gel is also available in special packet sizes for use in electronics, pharmaceutical, or food packaging. For gel that is self-indicating, an additive is added to the basic gel so that it change color upon the adsorption of water. Indicating is more expensive than non-indicating silica gel. Once the gel adsorbs the moisture, it will remain unchanged physically. This choice of desiccant is typically white and referred to as non-indicating. Compared to other desiccants, it has very stable thermal and chemical characteristics. Since silica gel is non-toxic, odorless, and non-corrosive, it provides premium large volume desiccant dryers with lower energy costs.
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