Silica gel was developed just prior to WWI and was used in Allied gas masks; then, in WWII it was used extensively to keep penicillin dry. It remains the highest capacity adsorbent available today. Not a "gel" as commonly thought of, and not to be confused with "silicon gel", silica gel is a porous, granular form of silica, synthetically manufactured from sodium silicate.
The internal structure of each small silica gel granule is composed of a vast network of inter-connecting microscopic pores, which attract and hold moisture by a phenomena known as physical "adsorption" and capillary condensation. A single teaspoon of Hydrosorbent Silica Gel has an internal "adsorptive" area equivalent to a football field, including the two end zones.
Hydrosorbent Silica Gel is inert, non-toxic and safe to use to protect foods, medicines, sensitive materials of all kinds. Even when saturated with adsorbed moisture, silica gel looks and feels dry to the touch.
Our dessicants are made in the USA and can be reactivated as needed, time and time again! |
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