1 kg Molecular Sieves 3A Beads
Molecular Sieves 3A is an alkali metal alumino-silicate. It is the potassium form of the type A crystal structure. Type 3A has an effective pore opening of about 3 angstroms (0.3 nm). This size is large enough to allow in moisture, but excludes molecules such as unsaturated hydrocarbons which can potentially form polymers; and this maximizes lifetime when dehydrating such molecules.
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Molecular Sieve Product Options and Choices: 4 to 8-mesh molecular sieves are normally used in gas phase applications, while the 8 to 12-mesh type is common in liquid phase applications. The pellet forms of the 3A, 4A, 5A and 13X sieves are suitable for specialized applications.
CAS number: 308080-99-1
Pore Size: 3 Angstroms (0.3 nm)
|Diameter (mm)||1.7-2.5 (8~12 mesh)||3.0-5.0 (4~8 mesh)|
|Bulk density (g/ml)||≥0.60||≥0.60|
|Abrasion ratio (%)||≤0.20||≤0.20|
|Crushing strength (N)||≥40/piece||≥60/piece|
|Static water adsorption (%)||≥20||≥20|
- Drying of unsaturated hydrocarbons (e.g. ethylene, propylene)
- Cracked gas drying
- Drying of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbons is required.
- Drying of highly polar compounds, such as methanol and ethanol
- Drying of liquid alcohol
- Static, (non-regenerative) dehydration of insulating glass units, whether air-filled or gas-filled.
|Note||Drying or regeneration is recommended before first use to remove the absorbed moisture and organic molecular. Heat the molecular sieves to 175-260 °C purging with a carrier gas.|
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