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Silica Gel, Desiccant bags
Silica gel is a high purity desiccant known for its drying efficiency and water vapor capacity. Despite its name, this gel is actually solid. Silica Gel (SG) is mainly used to remove moisture/humidity and is therefore known as a drying agent or “desiccant”. This is non-toxic and non-flammable. Silica Gel is most frequently and conveniently used packed in a breathable sachet or bag.
Absorption efficiency increases under higher humidity, higher pressure and lower temperature. It decreases in lower humidity, lower pressure and higher temperature. It can be regenerated by preliminary sun drying and heating in an oven to a temperature of 150C. It should not be heated to a temperature above 250C, as at this stage Silica Gel loses all the water of combination and consequently loses all the properties of absorption once for all.
» Silica Gel has ability to adsorb up to one third of its own weight in water vapor. This adsorption
efficiency is approximately 35% greater that typical desiccant clays.
» Making Silica Gel the preferred choice where weight of efficiency is important factors.
» Silica Gel has an almost indefinite shelf life if stored in airtight conditions.
» Silica Gel can be regenerated and reused if required. Gently heating Silica Gel will drive off the
adsorbed moisture and leave it ready for reuse.
» Silica Gel is a very inert material, it will not normally attack or corrode other material and with
the exception of strong alkalis and hydrofluoric acid is itself resistant to attack.
» Protect your export item from moisture damage.
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SODIUM SILICATES