1.Description：A kind of alkali-metallic, silicon-aluminum compounds, It could absorb the molecules which critical diameter is not more than 3 angstroms.
2.Formula： 0.4K2O 0.6Na2O Al2O3 2.OSiO2 4.5H2O
3.Properties：3A is highly adsorbents which can be used in a wide range of industrial Process including the drying of refrigerants,ethanol, removal of water from ethene and olefinic hydrocarbons, natural gas processing and petrochemical industry.
--Oil cracking gas, unsaturated hydrocarbon materials (e.g. ethylene, propylene, butadiene, acetylene, etc.) drying；
--Benzene, toluene, xylene and other solvents (e.g. methanol, ethanol) drying；
--Food grade CO2 gas drying.
5.Packing：Superbag, 25kg/carton, 150kg/drum or customized.