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3A molecular sieves do not adsorb chemicals whose molecular diameters are larger than 3Å. The application characteristics of this molecular sieve include fast adsorption speed, frequent regeneration ability, crushing resistance and pollution resistance. These features can improve its use efficiency and prolong its usage life. 3A molecular sieves are the necessary desiccant in petroleum and chemical industries for refining oil, polymerization, and chemical gas-liquid depth drying.
Item | Unit | Technical Index | |||
Shape | Pellet | Sphere | |||
Diameter | mm | 1.5-1.7 | 1.5-1.7 | 1.7-2.5 | 1.7-2.5 |
Qualified size | % | ≥98 | ≥98 | ≥96 | ≥96e |
Packing density | g/ml | ≥0.60 | ≥0.60 | ≥0.60 | ≥0.60 |
Attrition rate | % | ≤0.20 | ≤0.25 | ≤0.20 | ≤0.20 |
Anti-pressure | N | ≥45/cm | ≥60/cm | ≥45/p | ≥45/p |
Static water absorption | % | ≥20 | ≥20 | ≥20 | ≥20 |
Packing water content | % | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
