With a pore size of 4A, it absorbs water, methanol, ethanol, hydrogen sulfide, sulfur dioxide, carbon dioxide, ethylene, propylene, and does not absorb molecules with a diameter greater than 4A (including propane). The selective adsorption performance for water is higher than any other molecules. It is one of the most used molecular sieve varieties in industry. Commonly used in organic liquid drying (solvent, oil, gasoline and other saturated hydrocarbons), air, liquid gas (propane, butane), and other gases (hydrogen, nitrogen, helium, argon, etc.).
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