Reusable Silica Gel Beads Non-toxic Orange Indicating, 3-5mm 250g
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Reusable Silica Gel Beads Non-toxic Orange Indicating, 3-5mm 250g

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Orange indicating silica gel is ideal in applications where visual control of moisture is required. The silica gel will turn from orange to green as it absorbs moisture, indicating the need for reactivation or replacement. Silica gel works by adsorbing and trapping moisture from the air, lowering humidity and preventing the formation of mould, condensation and rust in enclosed spaces. 

Silica gel's high surface area allows it to absorb up to 40% of its weight in moisture while remaining dry to the touch. It is inert, non-toxic and has the ability to be reactivated multiple times. Silica gel will remove moisture at temperatures as high as 60°C, but it is best used at room temperature (20‐35°C) and high relative humidity (60‐90% RH).


  • Beads contain orange to green moisture indicator
  • Lowers relative humidity to approximately 35-40%
  • Prevents mould, condensation & rust
  • Remains dry when saturated with moisture
  • Reusable
  • Inert and non-toxic
  • Non-corrosive
  • Packaged in a humidity protected zip lock bag. 


  • 3D Printing (Keep filament dry)
  • Transformer breathers
  • Electrical boxes
  • Double-glazed windows
  • Mining industry
  • Aerospace
  • Laboratories

Reactivation Instructions

When silica gel turns green, reactivate as follows:

Spread silica gel on a tray and place in an oven from 115°C to 125°C for approximately 2-3 hours or until beads turn orange again. Once the silica gel has been reactivated, remove it from the oven and let cool until able to handle. Store silica gel in a sealed container until ready to use.