Silica Gel desiccants
Silica Gel is a glass-like, porous structure of SiO2. Pore opening size ranges a magnitude up and down from a billionth of a meter (nano-meter). The pores create a huge surface area, which will bind water through surface absorption and capillary action.
Moisture Absorption
Silica Gel desiccants are available in different qualities, which exhibit different absorption characteristics. In general a particular Silica Gel will have a maximum absorbance at a particular relative humidity. The absorbance will fall off at either direction from this point.
Suitability
Under optimal conditions Silica Gel will absorb up to 40% of its own weight, but under practical conditions usually much less.
The absorption ability falls at temperatures above 30-40°C. Although some moisture can be absorbed at temperatures up to 80°C, the risk of re-evaporation of already absorbed moisture make silica gel unsuitable for use in an environment where temperatures of above 40°C may occur even temporarily.
NOTE: Silica Gel desiccants are NOT suitable as a shipping desiccant, but can be used in packages where the risk of high temperatures is small.
The following is a breakdown of our Silica Gel desiccant range:
| Name | Weight (g) | Dimension (cm) | Units/Ctn | Ctn/Pallet | Ctn Dimension (cm) | Ctn Weight (kg) |
|---|---|---|---|---|---|---|
| Silica Gel 10g | 10g | 5.8 x 7.5 | 800 | 48 | 38 x 28 x 25 | 8.5 |
| Silica Gel 1g | 1g | 1.8 x 3.9 | 7000 | 48 | 37.5 x 27.5 x 25 | 7.95 |
| Silica Gel 50g | 50g | 7.8 x 11 | 240 | 48 | 37 x 28 x 25 | 12.5 |
| Silica Gel 5g | 5g | 4.5 x 6.5 | 2000 | 48 | 38 x 28 x 25 | 11.3 |
If Silica Gel desiccants are not what you need, review our Clay Desiccants or Mineral Desiccant range.
