{"product_id":"cdsmsb","title":"Spherical Molecular Sieve Bead (Cerafirst, 3A, 4A, 5A, 10X, 13X) as Desiccant, 1 kg\/bag, CDSMSB","description":"\u003cp\u003eSpherical molecular sieve desiccants (commonly referred to as molecular sieve beads) are crystalline aluminosilicates—synthetic zeolites—engineered with highly uniform, microscopic pore networks. Unlike amorphous adsorbents like silica gel, molecular sieves separate molecules based strictly on size and polarity, making them the most aggressive commercial desiccant available.\u003c\/p\u003e\n\u003cp\u003eThe baseline structure of a molecular sieve is a three-dimensional framework of SiO4 and AlO4 tetrahedra. Because aluminum carries a 3+ charge compared to silicon's 4+, the framework possesses a net negative charge. This charge is balanced by exchangeable metal cations (such as Na+, K+, or Ca^{2+}). These cations create highly localized, intense electrostatic fields within the crystal cavities. Polar molecules (like water, H2O) are strongly attracted to these sites via dipole-dipole interactions, allowing molecular sieves to hold onto moisture even at ultra-low relative humidity or elevated temperatures (up to 200°C). Only molecules with a kinetic diameter smaller than the crystalline pore opening can enter the cavity to be adsorbed. Larger molecules pass completely through the bed unaffected.\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"height: 514.8px; width: 100.036%;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"height: 39.2px; width: 9.72082%;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 17.2429%;\"\u003e\n\u003cp\u003eCDSMSB3A\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 18.2844%;\"\u003e\n\u003cp\u003eCDSMSB4A\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 17.2429%;\"\u003e\n\u003cp\u003eCDSMSB5A\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 18.2844%;\"\u003e\n\u003cp\u003eCDSMSB10X\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 18.2844%; height: 39.2px;\"\u003e\n\u003cp\u003eCDSMSB13X\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"height: 39.2px; width: 9.72082%;\"\u003e\u003cem\u003eMolecular Sieve Type\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 17.2429%;\"\u003e\n\u003cp\u003e3A\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 18.2844%;\"\u003e\n\u003cp\u003e4A\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 17.2429%;\"\u003e\n\u003cp\u003e5A\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 18.2844%;\"\u003e\n\u003cp\u003e10X\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 18.2844%; height: 39.2px;\"\u003e\n\u003cp\u003e13X\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"height: 35.6px; width: 9.72082%;\"\u003e\u003cem\u003e Composition\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 35.6px; width: 17.2429%;\"\u003e\n\u003cp\u003eK2O*Al2O3*SiO2*xH2O\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.6px; width: 18.2844%;\"\u003e\n\u003cdiv\u003eNa2O*Al2O3*SiO2*xH2O\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.6px; width: 17.2429%;\"\u003e\n\u003cp\u003eCaO*Al2O3*SiO2*xH2O\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.6px; width: 18.2844%;\"\u003e\n\u003cp\u003eNa2O*Al2O3*SiO2*xH2O\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 18.2844%; height: 35.6px;\"\u003e\n\u003cp\u003eNa2O*Al2O3*SiO2*xH2O\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"height: 39.2px; width: 9.72082%;\"\u003e\u003cem\u003eAverage Pore Diameter\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 17.2429%;\"\u003e\n\u003cp\u003e~3 Å (0.3 nm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 18.2844%;\"\u003e\n\u003cp\u003e~4 Å (0.4 nm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 17.2429%;\"\u003e\n\u003cp\u003e~5 Å (0.5 nm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 18.2844%;\"\u003e\n\u003cp\u003e~10 Å (1.0 nm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 18.2844%; height: 39.2px;\"\u003e\n\u003cp\u003e~10 Å (1.0 nm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 58.8px;\"\u003e\n\u003ctd style=\"height: 58.8px; width: 9.72082%;\"\u003e\u003cem\u003eAdsorption Molecules\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 58.8px; width: 17.2429%;\"\u003eH2O, NH3\u003c\/td\u003e\n\u003ctd style=\"height: 58.8px; width: 18.2844%;\"\u003e\n\u003cp\u003eH2O, NH3, CO2, SO2, H2S\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 58.8px; width: 17.2429%;\"\u003e\n\u003cp\u003eH2O, CO, CO2, NH3, C2H4, C2H6\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 58.8px; width: 18.2844%;\"\u003e\n\u003cp\u003ePolar Molecules, H2O, CO2, H2S\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 18.2844%; height: 58.8px;\"\u003e\n\u003cp\u003eH2O, CO2, H2S, NH3, SO2\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 74.8px;\"\u003e\n\u003ctd style=\"height: 74.8px; width: 9.72082%;\"\u003e\u003cem\u003eApplication Fields\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 74.8px; width: 17.2429%;\"\u003e\n\u003cp\u003eInsolating glass drying \u0026amp; ethanol dehydration\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 74.8px; width: 18.2844%;\"\u003e\n\u003cp\u003eAir\/natural gas\/ refrigerant drying\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 74.8px; width: 17.2429%;\"\u003e\n\u003cp\u003eGas (O2\/N2\/hydrocarbon) separation \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 74.8px; width: 18.2844%;\"\u003e\n\u003cp\u003eSolvent drying and acidic gas adsorption\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 18.2844%; height: 74.8px;\"\u003e\n\u003cp\u003eCO2 removal \u0026amp; gas drying\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"height: 39.2px; width: 9.72082%;\"\u003e\u003cem\u003eBulk Density\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 17.2429%;\"\u003e\n\u003cp\u003e~750 kg\/m2\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 18.2844%;\"\u003e\n\u003cp\u003e~750 kg\/m3\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 17.2429%;\"\u003e\n\u003cp\u003e~750 kg\/m3\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px; width: 18.2844%;\"\u003e\n\u003cp\u003e~750 kg\/m3\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 18.2844%; height: 39.2px;\"\u003e\n\u003cp\u003e~750 kg\/m3\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 58.8px;\"\u003e\n\u003ctd style=\"height: 58.8px; width: 9.72082%;\"\u003e\u003cem\u003eWater Absorption\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 58.8px; width: 17.2429%;\"\u003e\n\u003cp\u003e\u0026gt;21%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 58.8px; width: 18.2844%;\"\u003e\n\u003cp\u003e\u0026gt;21%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 58.8px; width: 17.2429%;\"\u003e\n\u003cp\u003e\u0026gt;21%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 58.8px; width: 18.2844%;\"\u003e\n\u003cp\u003e\u0026gt;21%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 18.2844%; height: 58.8px;\"\u003e\n\u003cp\u003e\u0026gt;21%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 74.8px;\"\u003e\n\u003ctd style=\"height: 74.8px; width: 9.72082%;\"\u003e\u003cem\u003eAdsorption Feature\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 74.8px; width: 17.2429%;\"\u003e\n\u003cp\u003eonly water molecule is absorbed\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 74.8px; width: 18.2844%;\"\u003e\n\u003cp\u003ewater and other partial small molecules\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 74.8px; width: 17.2429%;\"\u003e\n\u003cp\u003eDistinguish the CO2 and hydrocarbon molecules\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 74.8px; width: 18.2844%;\"\u003e\n\u003cp\u003eGeneral adsorption of gas molecules\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 18.2844%; height: 74.8px;\"\u003e\n\u003cp\u003eGeneral adsorption of gas molecules\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe molecular sieves can be regenerated at 300 °C for reuse.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReferences\u003c\/strong\u003e:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/onlinelibrary.wiley.com\/doi\/abs\/10.1002\/anie.202104124\"\u003eZ. Chang, et al., Sustainable Lithium-Metal Battery Achieved by a Safe Electrolyte Based on Recyclable and Low-Cost Molecular Sieve, Angew Chem Int Ed, 2021, 60, 15572-15581\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/onlinelibrary.wiley.com\/doi\/abs\/10.1002\/ente.202500151\"\u003eF. G. Torres, et al., Advancements in Molecular Sieves for Emerging Energy Applications, Energy Technology, 2025, 13, 2500151\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"CLKXZ","offers":[{"title":"3A (K-Type)","offer_id":47926560653542,"sku":"CDSMSB3A","price":129.0,"currency_code":"USD","in_stock":true},{"title":"4A (Na-Type)","offer_id":47926560686310,"sku":"CDSMSB4A","price":129.0,"currency_code":"USD","in_stock":true},{"title":"5A (Ca-Type)","offer_id":47926560719078,"sku":"CDSMSB5A","price":129.0,"currency_code":"USD","in_stock":true},{"title":"10X (Na-Type)","offer_id":47926560751846,"sku":"CDSMSB10X","price":129.0,"currency_code":"USD","in_stock":true},{"title":"13X (Na-Type)","offer_id":47926877880550,"sku":"CDSMSB13X","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CDSMSB_02.jpg?v=1782596542","url":"https:\/\/echemsupplies.com\/products\/cdsmsb","provider":"EChem Supplies","version":"1.0","type":"link"}