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What is silica gel desiccant?

Silica Gel desiccant are materials that adsorb water, and are typically used when a business wants to prevent damage to goods through excess moisture. Silicon dioxide is the basic ingredient of silica gel desiccant, but some types may also contain chemicals that change color when moisture adsorption. Typically, the silica gel desiccant is contained in sachets, but for some purposes, silica gel desiccant used in a loose form.

Despite the name, silica gel desiccant are typically in granulated or bead forms, and not gels. These granules can be loose or can be enclosed in packets of breathable material. Packet sizes vary depending on the volume of air the silica is supposed to keep dry, and often a manufacturer encloses the item in a plastic bag to keep out external moisture. The silica gel desiccant can adsorb more water, at about 40 percent of original dry weight of desiccant, than another form of desiccant that uses clay.

 

 

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