Molecular Sieves for Industrial Applications



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


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


We offer 4Å (ångström) and 13X molecular sieves in standard 2–5 mm particle size and a wide range of packaging options, from small canisters and medium to large drums, to big bags. Upon request, we can also supply different particle sizes or specific pore sizes based on application needs.



For large quantities or to receive a custom 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...
        €213.85Price
        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...
          €213.85Price
          • New
            1 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Bottle1 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Bottle
            • New
              1 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Bottle1 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Bottle
              • New
                1 Kg Activated Alumina - Granulometry 2–5 mm. Special packaging in a1 kg HDPE bottle to properly preserve the material. The indicated price is valid for small supplies. For large quantities, please contact us directly for a personalized quotation: info@silica-gel.it
                €18.69Price
                1 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Bottle1 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Bottle
                • New
                  1 Kg Activated Alumina - Granulometry 2–5 mm. Special packaging in a1 kg HDPE bottle to properly preserve the material. The indicated price is valid for small supplies. For large quantities, please contact us directly for a personalized quotation: info@silica-gel.it
                  €18.69Price
                      Setaccio molecolare 4Å da 5 Kg - conf - 2/5 mm5 Kg Bulk Molecular Sieves 4Å | 2–5 mm | canister
                          Setaccio molecolare 4Å da 5 Kg - conf - 2/5 mm5 Kg Bulk Molecular Sieves 4Å | 2–5 mm | canister
                              Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. Grain size: 2 - 5 mm. This product comes enclosed in a HDPE tank. The price indicated is valid for small supplies. For large quantities...
                              €63.61
                              Price
                              Setaccio molecolare 4Å da 5 Kg - conf - 2/5 mm5 Kg Bulk Molecular Sieves 4Å | 2–5 mm | canister
                                  Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. Grain size: 2 - 5 mm. This product comes enclosed in a HDPE tank. The price indicated is valid for small supplies. For large quantities...
                                  €63.61
                                  Price
                                  • New
                                    15 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum15 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum
                                    • New
                                      €179.51Price
                                      15 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum15 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum
                                      • New
                                        15 kg drum of 4Å molecular sieves with grain size 2 - 5 mm Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. The price indicated is valid for small supplies. For large quantities...
                                        €179.51Price
                                        15 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum15 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum
                                        • New
                                          15 kg drum of 4Å molecular sieves with grain size 2 - 5 mm Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. The price indicated is valid for small supplies. For large quantities...
                                          €179.51Price
                                          • New
                                            20 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum20 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum
                                            • New
                                              €224.43Price
                                              20 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum20 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum
                                              • New
                                                20 kg drum of 4Å molecular sieves with grain size 2 - 5 mm Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. The price indicated is valid for small supplies. For large quantities...
                                                €224.43Price
                                                20 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum20 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum
                                                • New
                                                  20 kg drum of 4Å molecular sieves with grain size 2 - 5 mm Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. The price indicated is valid for small supplies. For large quantities...
                                                  €224.43Price
                                                  • New
                                                    25 Kg Molecular sieve 4Å25 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum
                                                    • New
                                                      €252.46Price
                                                      25 Kg Molecular sieve 4Å25 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum
                                                      • New
                                                        25 kg drum of 4Å molecular sieves with grain size 2 - 5 mm Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. The price indicated is valid for small supplies. For large quantities...
                                                        €252.46Price
                                                        25 Kg Molecular sieve 4Å25 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum
                                                        • New
                                                          25 kg drum of 4Å molecular sieves with grain size 2 - 5 mm Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. The price indicated is valid for small supplies. For large quantities...
                                                          €252.46Price
                                                              30 Kg Molecular sieve 4Å - bin - 2/5 mm.30 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum
                                                                  €280.33Price
                                                                  30 Kg Molecular sieve 4Å - bin - 2/5 mm.30 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum
                                                                      30 kg drum of 4Å molecular sieves with grain size 2 - 5 mm Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. The price indicated is valid for small supplies. For large quantities...
                                                                      €280.33Price
                                                                      30 Kg Molecular sieve 4Å - bin - 2/5 mm.30 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Drum
                                                                          30 kg drum of 4Å molecular sieves with grain size 2 - 5 mm Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. The price indicated is valid for small supplies. For large quantities...
                                                                          €280.33Price
                                                                          • New
                                                                            125 Kg Molecular sieve 4Å - barrel - 2/5 mm.135 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Barrel
                                                                            • New
                                                                              €1,416.80Price
                                                                              125 Kg Molecular sieve 4Å - barrel - 2/5 mm.135 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Barrel
                                                                              • New
                                                                                135 kg barrel of 4Å molecular sieves with grain size 2 - 5 mm Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O.
                                                                                €1,416.80Price
                                                                                125 Kg Molecular sieve 4Å - barrel - 2/5 mm.135 Kg Bulk Molecular Sieves 4Å | 2–5 mm | Barrel
                                                                                • New
                                                                                  135 kg barrel of 4Å molecular sieves with grain size 2 - 5 mm Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O.
                                                                                  €1,416.80Price
                                                                                  Pallet Bulk Molecular Sieves 4Å | 2–5 mm | Industrial SupplyPallet Bulk Molecular Sieves 4Å | 2–5 mm | Industrial Supply
                                                                                  • New
                                                                                    Industrial supplies in pallets - molecular sieve 4 ångström (4Å). Grain size 2 - 5 mm. Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. MADE TO ORDER - CONTACT US FOR A...
                                                                                    Pallet Bulk Molecular Sieves 4Å | 2–5 mm | Industrial SupplyPallet Bulk Molecular Sieves 4Å | 2–5 mm | Industrial Supply
                                                                                    • New
                                                                                      Industrial supplies in pallets - molecular sieve 4 ångström (4Å). Grain size 2 - 5 mm. Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. MADE TO ORDER - CONTACT US FOR A...
                                                                                      Big Bag Molecular sieveBig Bag Bulk Molecular Sieves 4Å | 2–5 mm | Industrial Supply
                                                                                      • New
                                                                                        Industrial supplies in Big Bag - molecular sieve 4 ångström (4Å). Grain size 2 - 5 mm. Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. MADE TO ORDER - CONTACT US FOR A...
                                                                                        Big Bag Molecular sieveBig Bag Bulk Molecular Sieves 4Å | 2–5 mm | Industrial Supply
                                                                                        • New
                                                                                          Industrial supplies in Big Bag - molecular sieve 4 ångström (4Å). Grain size 2 - 5 mm. Molecular Sieve 4Å is a synthetic crystalline aluminosilicate with a regular micropore structure. Molecular Sieve 4Å is the potassium-sodium form of the molecular sieve type A. Chemical Formula: Na2O * Al2O3 * 2SiO2 * n H2O. MADE TO ORDER - CONTACT US FOR A...
                                                                                          13X Molecular Sieves Bulk | 2‑5 mm | Various Packaging Sizes13X Molecular Sieves Bulk | 2‑5 mm | Various Packaging Sizes
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                                                                                            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
                                                                                              €342.54Price
                                                                                              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
                                                                                                €342.54Price