Table 1. General zeolite properties.

Property	Range
Channels	2.2–8 Å
Cavities	6.6–11.8 Å
Thermal stability	500–1.000°C
Ion-exchange capacity	Up to 700 milliequivalents/100 g
Surface area	Up to 900 m2/g
Water capacity	<1 to ~ 25 wt.%
Water affinity	Hydrophilic to hydrophobic