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The 3A Molecular Sieve is an alkali metal aluminosilicate, specifically the potassium form of the Type A crystal structure. With an effective pore opening of exactly 3 angstroms (0.3 nm), it is engineered to selectively adsorb water while completely excluding larger molecules such as unsaturated hydrocarbons. This unique size-exclusion property makes it the universal desiccant of choice for the petroleum and chemical industries, preventing the co-adsorption of valuable product streams and ensuring maximum dehydration efficiency.
Precisely screens molecules, absorbing water rapidly while safely rejecting valuable hydrocarbons like ethylene, propylene, and butadiene.
Possesses a highly porous internal structure, delivering outstanding static and dynamic water adsorption capacity even at exceptionally low relative humidity levels.
Manufactured through advanced extrusion and rolling processes, ensuring high crushing strength to withstand deep desiccant bed pressures and prevent powdering during operation.
Features a smooth, dense surface that minimizes dusting during column loading and high-velocity gas flow, effectively protecting downstream valves and piping.
Maintains excellent thermal and hydrothermal stability, allowing for repeated, reliable regeneration cycles and significantly reducing operational replacement costs.
| Size & Shape | Static Water Adsorption (%) | Bulk Density (g/ml) | Crushing Strength (N/pc) | Attrition Rate (%) | Package Moisture (%) |
|---|---|---|---|---|---|
| 1.5 - 2.5mm (Sphere) | ≥ 21.0 | ≥ 0.70 | ≥ 30.0 | ≤ 0.10 | ≤ 1.5 |
| 3.0 - 5.0mm (Sphere) | ≥ 21.0 | ≥ 0.68 | ≥ 80.0 | ≤ 0.10 | ≤ 1.5 |
| 1.6mm / 1/16" (Pellet) | ≥ 21.0 | ≥ 0.65 | ≥ 30.0 | ≤ 0.20 | ≤ 1.5 |
| 3.2mm / 1/8" (Pellet) | ≥ 21.0 | ≥ 0.65 | ≥ 60.0 | ≤ 0.20 | ≤ 1.5 |
