Orange/Blue Indicating Silica Gel Desiccant

The orange indicating silica gel in this mix will gradually turn green as it absorbs moisture, eventually turning dark green once the silica gel has reached 60-70% of its adsorption capacity, making it easy to tell when the silica gel needs to be replaced or reactivated – unlimited reactivation cycles are possible.

The indicating silica gel consists of 90% silica gel; the remaining 10% is always blue indicating silica gel. Indicating silica gel bags are only 10% indicating silica gel for two reasons: 1) a 10% indicating silica gel content is enough of a color change indicator to be easily viewed through the bag’s polyethylene side; 2) indicating silica gel is more expensive than non-indicating silica gel.

Indicating silica gel changes color:

Orange → Green

Blue → Pink

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