... )Good drying 2)Used for gas Molecular Sieve 4ABrief InstructionE04—DG molecular sieve’s aperture is 4A,it can adsorb ... like water, methanol, ethanol, hydrogen sulfide, sulfur dioxide, carbon dioxide,ethylene, propylene and so on,and the selective ... packaging, electronic component and easy metamorphic material.RegenerationE04—DG molecular sieve can blow or evacuate on condition of increasing the ...