Linked from
The 12 pages that link to Desiccant, each with the reason it gives.
Silica gelNarrower topic: Silica gel is a widely used solid desiccant in packages and equipment.
DesiccationRelated: Desiccants create dry conditions in packaging, equipment, and enclosed spaces.
EfflorescenceCompared with: Dry storage slows the moisture exchange that can trigger efflorescence.
HygroscopyRelated: Desiccants exploit hygroscopicity to keep enclosed spaces dry.
Magnesium chlorideRelated: Magnesium chloride absorbs water vapor in some drying applications.
Lithium chlorideNarrower topic: Anhydrous LiCl absorbs water vapor and can serve as a desiccant.