Specific Area: The whole superficial area one gram silica has, including inside micro-pore area and outside area. Unit: m2/g
Pore Volume : The whole inside volume has one gram silica. Unit: ml/g
Pore Diameter : The diameter of inside hole. Unit: Å. It was calculated by PV and Specific area. 1nm=10 Å.
Absorption : Under a certain relative humidity, how many grams steam the silica can absorb to reach saturation. The weight of silica is « Absorption capacity ». Unit: %
Bulk Density : weight of silica gel divide by its volume. Unit: g/L.
Specific resistance : It’s the resistance of the solution in 1cm. It’s means purity of silica gel. Specific resistance higher, purity higher. Unit: Ω.cm
Silica Gels Absorption
Types B and C (Cat Litter) Silica Gels have a low absorption capacity in humidity environment of less than 65% compared to Type A.
Type C silica gel (cat litter) has a low absorption capacity in a moisture environment of less than 95% compared to Type B.
Type C silica gel has a high absorption capacity in high humidity environment of more than 95% compared to Types A and B.
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