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A desiccant is a hygroscopic substance that induces or sustains a state of dryness in its local vicinity in any moderately well-sealed container. Perhaps the most common natural desiccant is salt, which has been used for millennia in the preparation of dried food.

Desiccant Company Links

  • Delta Adsorbents has been a leading distributor of desiccant bags, humidity indicator cards and plugs, silica gels, and sorbeads for a wide variety of industries since 1969.

More on Desiccants

Most common pre-packaged desiccants are solids, which work through absorption or adsorption of liquids, or a combination of both. Specialized desiccants may be created in non-solid forms, and may work through other principles, such as the chemical bonding of water molecules. Desiccants are most commonly used to remove excess humidity that could potentially degrade or destroy products sensitive to moisture. Common chemical desiccants include silica gel, calcium sulfate, calcium chloride, and specific varietie