Orange Silica Gel Desiccant, Non-Toxic, Quart, 1.5 Lb

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This is a 1.5 lb. re-sealable mylar bag (one quart) of orange indicating silica gel.  The silica gel desiccant is made of silicon dioxide and formed into hard beads 2-5 mm in diameter.  The beads have a strong affinity for water and are commonly used for humidity control applications.

Orange silica gel is impregnated with phenolphthalein, a color changing moisture indicator.  When dry the beads have a yellow-orange tint.  When saturated the beads become green.  Orange silica gel is often used in place of blue silica gel, which contains cobalt chloride.

Typical applications

  • Compressed Air Dryers
  • Gas Processing
  • Humidity Control
  • Protection of Packaged Goods

Safety Data Sheet


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