Molecular Sieves for Industrial Applications


Molecular sieves are high-performance desiccants, characterized by a microporous structure with uniform pores. Unlike traditional desiccants such as silica gel, which have irregular porosity, molecular sieves provide precise selectivity thanks to the uniform pore size: each type of sieve allows only molecules smaller than a certain size to pass through, selectively retaining larger ones.


This feature makes them particularly suitable for industrial applications requiring efficient molecular separation, moisture removal from gases and liquids, and purification of gas streams. The main areas of use include the treatment of technical gases (such as oxygen, nitrogen, hydrogen, and CO₂), compressed air dehumidification, and use in process plants in the chemical, petrochemical, and pharmaceutical sectors.

The following molecular sieves are available in various types and packaging:

  • Molecular Sieve 3A
  • Molecular Sieve 4A
  • Molecular Sieve 5A
  • Molecular Sieve 13X

Each sieve is available in two different particle sizes. The immediately available particle size and the made-to-order size for large quantities are clearly indicated on each product sheet, allowing for a quick evaluation according to application requirements.

All sieves are offered in a wide range of packaging, from small containers and medium to large drums to big bags.


For large quantities or to receive a personalized quote, contact us

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  • New
    Bulk Molecular Sieves 3A | 2 bead sizes | multi-formatBulk Molecular Sieves 3A | 2 bead sizes | multi-format
    • New
      Bulk Molecular Sieves 3A | 2 bead sizes | multi-formatBulk Molecular Sieves 3A | 2 bead sizes | multi-format
      • New
        Molecular sieves 3 Å - pore diameter 0.3 nm. Two available granulometries : 1.6-2.5 mm and 2.5-5 mm. Several packaging options available , select the quantity you need below. Price indicated includes VAT. For large quantities, you can request a customized quotation: <a...
        €407.70Price
        Bulk Molecular Sieves 3A | 2 bead sizes | multi-formatBulk Molecular Sieves 3A | 2 bead sizes | multi-format
        • New
          Molecular sieves 3 Å - pore diameter 0.3 nm. Two available granulometries : 1.6-2.5 mm and 2.5-5 mm. Several packaging options available , select the quantity you need below. Price indicated includes VAT. For large quantities, you can request a customized quotation: <a...
          €407.70Price
          • New
            Bulk Molecular Sieves 4A | Immediate Delivery | Small and Large QuantitiesBulk Molecular Sieves 4A | 2 bead sizes | multi-format
            • New
              Bulk Molecular Sieves 4A | Immediate Delivery | Small and Large QuantitiesBulk Molecular Sieves 4A | 2 bead sizes | multi-format
              • New
                Molecular sieves 4 Å (Sodium) - pore diameter 0.4 nm. Available particle sizes : 2.5-5 mm ready stock and 1.6-2.5 mm (on request). Various packaging options available , select the quantity you need below. Price shown includes VAT. For large quantities, you can...
                €342.00Price
                Bulk Molecular Sieves 4A | Immediate Delivery | Small and Large QuantitiesBulk Molecular Sieves 4A | 2 bead sizes | multi-format
                • New
                  Molecular sieves 4 Å (Sodium) - pore diameter 0.4 nm. Available particle sizes : 2.5-5 mm ready stock and 1.6-2.5 mm (on request). Various packaging options available , select the quantity you need below. Price shown includes VAT. For large quantities, you can...
                  €342.00Price
                  • New
                    Bulk Molecular Sieves 5A | Immediate Delivery | Small and Large QuantitiesBulk Molecular Sieves 5A | 2 bead sizes | multi-format
                    • New
                      Bulk Molecular Sieves 5A | Immediate Delivery | Small and Large QuantitiesBulk Molecular Sieves 5A | 2 bead sizes | multi-format
                      • New
                        Molecular Sieves 5 Å (Calcium) - pore diameter 0.5 nm. Two grain sizes available : 1.6-2.5 mm and 2.5-5 mm. Various packaging options available , please select the required quantity below. Price shown includes VAT. For large quantities, you can request a custom quote: <a...
                        €483.20Price
                        Bulk Molecular Sieves 5A | Immediate Delivery | Small and Large QuantitiesBulk Molecular Sieves 5A | 2 bead sizes | multi-format
                        • New
                          Molecular Sieves 5 Å (Calcium) - pore diameter 0.5 nm. Two grain sizes available : 1.6-2.5 mm and 2.5-5 mm. Various packaging options available , please select the required quantity below. Price shown includes VAT. For large quantities, you can request a custom quote: <a...
                          €483.20Price
                          13X Molecular Sieves Bulk | 2‑5 mm | Various Packaging Sizes13X Molecular Sieves Bulk | 2‑5 mm | Various Packaging Sizes
                          • New
                            13X Molecular Sieves Bulk | 2‑5 mm | Various Packaging Sizes13X Molecular Sieves Bulk | 2‑5 mm | Various Packaging Sizes
                            • New
                              13X Molecular Sieves – 2‑5 mm granulation. Various packaging options available: select the quantity you need. Price shown VAT included; for large quantities you can request a personalized quote: info@silica-gel.it
                              €417.90Price
                              13X Molecular Sieves Bulk | 2‑5 mm | Various Packaging Sizes13X Molecular Sieves Bulk | 2‑5 mm | Various Packaging Sizes
                              • New
                                13X Molecular Sieves – 2‑5 mm granulation. Various packaging options available: select the quantity you need. Price shown VAT included; for large quantities you can request a personalized quote: info@silica-gel.it
                                €417.90Price