How effective are different absorbents?
How effective are different absorbents? Different desiccants are based on different substances with different capability to absorb moisture. When choosing your desiccants it is important to know that different substances have different characteristics. One important factor is the ability to absorb moisture in relation to its own weight which is shown in the graph Other factors are absorption rate at different grades of relative humidity and the risk for re-evaporation.
MT=100 % Montmorillionite Clay
MD= 90% Montmorillionite Clay + 10% Calcium Chloride
CaCl2 = Calcium Chloride Watchmen= Calcium Chloride + Starch
All of Watchmen desiccants are based on the proven ability of Calcium Chloride and starch.