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| 4A molecular sieve |
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| Na2O·Al2O3·2.0SiO2·4.5H2O |
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| The 4A molecular sieve mainly used to adsorb water, methanol, ethanol, sulfureted hydrogen, carbon dioxide, ethylene, propylene, does not adsorb any larger molecular than 4A, and often used as desiccant in industrials |
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| The 4A molecular sieve mainly used to adsorb water, methanol, ethanol, sulfureted hydrogen, carbon dioxide, ethylene, propylene, does not adsorb any larger molecular than 4A, and often used as desiccant in industrials. |
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