Once cooled, it can be placed back in the moisture barrier bag/pail that it came in, or in any other air-tight space. 1 Quart Jug Replacement Desiccant Blue Indicating Silica Gel Bead (2 LBS) - Rechargeable. 1 Quart Blue Silica Gel Bead in Round Bottle with Air Tight Cap - 2 LBS Reusable. Wait for the silica gel to cool before handling it as it will be extremely hot. 1 Quart (2 LBS) Premium White & Blue Mixed Silica Gel Beads - Rechargeable Color Changing Air Drying.If they haven’t, simply keep them in there until they have. Check to see if the all the beads have returned to their original colour, blue.Once the oven is at the correct temperature, place the tray of silica gel into the oven for approximately 2-3 hours.Place silica gel in an appropriate metal or glass oven-proof tray - try and keep the silica gel layer to a thickness of less than 2 inches as this allows it to dry faster and more evenly.Once blue silica gel has reached its adsorption capacity, as indicated by its light pink appearance, it can be easily reactivated with any conventional oven: In addition, silica gel can adsorb up to 40% of its weight in moisture before needing reactivationīlue indicating silica gel will gradually turn purple as it adsorbs moisture, eventually turning light pink once the silica gel has reached 60-70% of its moisture holding capacity, making it easy to tell when the silica gel needs to be replaced or reactivated – unlimited reactivation cycles are possible.īlue silica gel can be used where processes and products need to be protected from the negative effects of humidity & moisture, such as: It is also, non-corrosive, odourless, chemically inert, has a low dust emission rate, high crush strength and does not form by-products. Unlike some other desiccants, silica gel does not become wet, or swell in size as it adsorbs moisture. Silica gel is a reusable drying and dehumidifying agent (known as a desiccant) that adsorbs and traps water vapour to effectively prevent rust, corrosion, mould, mildew, spoilage, fogging and condensation when used within closed spaces.
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