Molecular Sieve

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Molecular Sieve

CAS NO.: 63231-69-6
EINES NO.: 215-684-8
Customs Code : 3824909990
Main types: 3A, 4A, 5A, 10X,11X, XH-7
Molecular Formula: (M′₂,M)O·Al₂O₃·xSiO₂·yH₂O
Package: 150KGS/DRUM
Appearance: off-white or beige ball or columnarChoosing the Right Molecular Sieve
Our molecular sieves, including 3A, 4A, 5A, 10X, 11X, and XH-7, are engineered with specific pore sizes and advanced compositions for superior performance.
- Select 3A for ultra-deep drying in petrochemical and chemical processes (e.g., ethanol, refrigerants). Our 3A sieves offer fast adsorption, high crush strength, and excellent regeneration cycles for extended service life.
- Select 4A, the industry workhorse, for general drying and purification, effectively removing water, methanol, CO₂, and H₂S.
- Select 5A for critical separation processes like n-isoalkane splitting and Pressure Swing Adsorption (PSA) systems for oxygen, hydrogen, or CO₂ production, prized for its high selectivity and rapid adsorption kinetics.
- Select specialized grades (10X, 11X, XH-7) for unique applications such as refrigeration protection or adsorption of larger molecules.
We provide the expertise to match the perfect sieve to your process, ensuring maximum efficiency, durability, and cost-effectiveness.How to Choose?
- Choose Ball Shape for:
  - Applications where a low pressure drop is critical (e.g., pressurized gas streams, PSA systems).
  - Processes requiring maximum adsorption capacity in a limited space.
  - Operations where excellent attrition resistance is needed for long sieve life.
- Choose Columnar for:
  - Deep-bed reactors and high-pressure systems where maximum mechanical strength is paramount.
  - Applications where ease of packing and handling in large-scale columns is a priority.
For Dehydration & Drying: They are highly effective desiccants for removing water molecules from liquids and gases, such as drying refrigerants, natural gas, and insulating glass units.
In Separation & Purification: They selectively adsorb molecules based on size and polarity, used to separate nitrogen from air, purify hydrogen, and remove impurities like CO2 from gas streams.
In the Petrochemical Industry: They are used as catalysts and adsorbents in processes like isomerization, alkylation, and the purification of hydrocarbon streams.
In Refrigeration Systems: Specific types (e.g., 3A, 4A) are standard desiccants in air conditioning and refrigeration systems to protect components from moisture and acid formation.