... widely in industry 1. Performance characteristics:4A molecular sieve's aperture is 4A,it adsorbs water, methanol, ethanol, hydrogen sulfide, sulfur dioxide, ... 1.5≤1.5 4.Specific applications: * The depth of drying of air, natural gas, paraffin gas ,liquid cooling agent ... aluminum foil bags of vacuum-packed 6.Notes: Before use molecular sieve should prevent pre-adsorbed water, organic gases or liquids. ...