Desiccant
Desiccant & Moisture Absorbers
A desiccant is a substance that absorbs water. It is most commonly used to remove humidity that would normally degrade or even destroy products sensitive to moisture. Each material has its own advantages and disadvantages when using them as the desiccant, details on each desiccant are located below. Cleatech desiccator cabinets could be used by any type of desiccant. Most ideal desiccants are listed below:
– Regenerable Silica Gel Desiccant Cartridges
– Bulk Indicating Silica Gel
Start Price: $35
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Select the Quantity on the right column of the table below. Click on “Request a Quote” button at the bottom of the page.
Regenerable Silica Gel Cartridge Desiccant, Contain 45.5gms Of Indicating Silica Gel (Blue to Pink – 2″ x 2′ x 1″)
Regenerable silica gel is stored in transparent polycarbonate and re-generable dehydrating cartridge; the cartridge is 2″ x 2″ x 1″. The cartridge will remove moisture and lower relative humidity (RH) levels in a sealed 3 cubic ft. area. When used in a hermetically sealed area, the cartridge may not have to be re-generated for over a year. Prevent corrosion, mildew, and other problems caused by humidity in unsealed containers.
| Product Code | Description | Price | Qty |
|---|---|---|---|
| A14-DC-S4 | Regenerable Silica Gel Cartridge Desiccant – Pack of 4 | $35 | 0 |
| A14-DC-S24 | Regenerable Silica Gel Cartridge Desiccant – Pack of 24 | $165 | 0 |
| A14-DC-S48 | Regenerable Silica Gel Cartridge Desiccant – Pack of 48 | $295 | 0 |
5 lb. Can of Bulk Indicating Silica Gel (Blue to Pink 2-4mm Bead Diameter)
Cleatech provides bulk desiccant for commercial and industrial applications. Bulk Indicating Silica Gel Desiccant is available in 5-pound cans and can be purchased as a single can or case of 4 cans.
| Product Code | Description | Price | Qty |
|---|---|---|---|
| A14-DC-SB5 | 5 lb. Can of Bulk Indicating Silica Gel – 1 Can | $50 | 0 |
| A14-DC-SB5 | 5 lb. Can of Bulk Indicating Silica Gel – 4 Cans | $185 | 0 |
Silica Gel is silicon dioxide (SiO2) can be found in a granular or beaded form. This type of desiccant is commonly found in the food and pharmaceutical industries. Silica gel has been FDA approved to be used in direct contact with food and pharmacy items. Designed to pull moisture at temperatures up to 220°F (105°C), but once the temperature goes up more than 100°F the silica gel will work at a lower absorbing rate.
Indicating Silica Gel is a form of silica gel that has been washed with a concentration of cobalt chloride. The cobalt chloride will change colors indicating when its time to replace the desiccant. Starting as a deep blue color when it is dry and will gradually turn pink as it becomes saturated with moisture.
Molecular Sieves, also known as Synthetic Zeolite, will a adsorb moisture at a greater degree than silica gel or clay. This type of desiccant can hold moisture under 450°F temperature. Molecular Sieves have not been FDA approved and should not be used for food or pharmacy items. Zeolites are comprised of oxygen, silicon, aluminum in their scaffold, water, cations, and other molecules in their pores.
Calcium Oxide and Calcium Sulfate, also known as Drierite, are made of lime and gypsum. Both are crystal based with calcium, making them a more stable chemically, non-toxic and non-corrosive. Calcium oxide moisture adsorptive capacity of not less than 28.5% by weight. Normally they are sold in package form. It is most effective where a low critical relative humidity is necessary, and where there is a high concentration of water vapor present. calcium sulfate low cost must be weighed against its equally low adsorptive capacity. It adsorbs only up to 10% of its weight in water vapor.
Montmorillonite Clay is a naturally occurring adsorbent created by the controlled drying of magnesium aluminum silicate of the sub-bentonite type. Clay is a good basic desiccant that works satisfactorily below 120°F. Above 120°F, the clay might give up moisture rather than pulling it in. Widely used in medicine and pharmacology and it’s usually the least expensive desiccant per pound.
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