English
English Chinese Simplified Chinese Traditional French German Portuguese Spanish Russian Japanese Korean Arabic Irish Greek Turkish Italian Danish Romanian Indonesian Czech Afrikaans Swedish Polish Basque Catalan Esperanto Hindi Lao Albanian Amharic Armenian Azerbaijani Belarusian Bengali Bosnian Bulgarian Cebuano Chichewa Corsican Croatian Dutch Estonian Filipino Finnish Frisian Galician Georgian Gujarati Haitian Hausa Hawaiian Hebrew Hmong Hungarian Icelandic Igbo Javanese Kannada Kazakh Khmer Kurdish Kyrgyz Latin Latvian Lithuanian Luxembou.. Macedonian Malagasy Malay Malayalam Maltese Maori Marathi Mongolian Burmese Nepali Norwegian Pashto Persian Punjabi Serbian Sesotho Sinhala Slovak Slovenian Somali Samoan Scots Gaelic Shona Sindhi Sundanese Swahili Tajik Tamil Telugu Thai Ukrainian Urdu Uzbek Vietnamese Welsh Xhosa Yiddish Yoruba Zulu Kinyarwanda Tatar Oriya Turkmen Uyghur
Inquiry
Form loading...
4A Molecular Sieve Desiccant Adsorbent for Air Drying & Gas Dehydration
Molecular Sieve
4a 1.jpg
4a.jpg
4a 2.jpg

4A Molecular Sieve Desiccant Adsorbent for Air Drying & Gas Dehydration

Item Parameter
Product Name 4A Molecular Sieve
Shape Spherical Beads
Common Sizes 1.6mm, 3.2mm
Static Water Adsorption ≥21%
Bulk Density ≥0.75 g/ml
Crushing Strength ≥80 N/particle
Dust Content ≤0.1%
Application Gas drying, insulated glass, compressed air dehydration
Package 25kg bag / Ton bag
    Contact us
    product details

    description1

    4A Molecular Sieve Product advantages

    Outstanding static water adsorption performance can rapidly absorb excess moisture in gas and liquid media, achieving thorough dehydration and drying effect in industrial systems.

    High mechanical crushing strength and extremely low dust generation, effectively preventing powder leakage during filling, transportation and long-term cyclic operation.

    Stable chemical inertness and outstanding regenerative performance, which can restore adsorption capacity after high-temperature desorption and greatly extend service cycle.

    Perfect anti-fogging effect when applied to insulated glass units, effectively lock water vapor and eliminate internal fogging to keep glass transparent permanently.

    Strict production quality control with customizable particle sizes and packing ways, offering stable batch supply and cost-effective factory direct price.

    4A Molecular Sieve Table parameters

    Model

    4A

    Color

    Light gray

    Nominal pore diameter

    4 angstroms

    Shape

    Sphere

    Pellet

    Diameter (mm)

    1.7-2.5

    3.0-5.0

    1.6

    3.2

    Size ratio up to grade (%)

    ≥98

    ≥98

    ≥96

    ≥96

    Bulk density (g/ml)

    ≥0.72

    ≥0.70

    ≥0.66

    ≥0.66

    Wear ratio (%)

    ≤0.20

    ≤0.20

    ≤0.20

    ≤0.20

    Crushing strength (N)

    ≥35/piece

    ≥85/piece

    ≥35/piece

    ≥70/piece

    Static H2O adsorption (%)

    ≥22

    ≥22

    ≥22

    ≥22

    Static methanol adsorption(%)

    ≥15

    ≥15

    ≥15

    ≥15

    Water content (%)

    ≤1.0

    ≤1.0

    ≤1.0

    ≤1.0

    Typical Chemical Formula

    Na2O . Al2O3 . 2SiO2 . 4.5 H2O

    SiO2 : Al2O3 ≈2

    Typical Application

    a) Drying and removing of CO2 from natural gas, LPG, air, inert and atmospheric gases, etc.

    b) Removal of hydrocarbons, ammonia and methanol from gas streams (ammonia syn gas treating)

    c) Special types are used in the air break units of buses, trucks and locomotives.

    d) Packed in small bags, it may be used simply as a packaging desiccant.

    4A Molecular Sieve Product Introduction and Applications

    4A Molecular Sieve is a high-performance synthetic zeolite aluminosilicate adsorbent with a uniform 4Å micropore structure. It features strong selective adsorption capacity, which effectively traps water vapor, carbon dioxide and other small molecules while blocking larger impurity molecules. With high water adsorption rate, low dust content and excellent mechanical strength, this molecular sieve maintains stable drying and purification performance under various industrial working conditions. It is widely applied in insulated glass anti-fogging, compressed air drying, natural gas dehydration, solvent purification and industrial gas separation. The product supports high-temperature regeneration for repeated use, delivering long service life and cost-saving benefits. We provide factory-standard spherical beads in 1.6mm and 3.2mm sizes with stable batch quality and flexible packaging solutions for global wholesale.

    1. Insulated Glass Industry
    4A molecular sieve is the most professional desiccant for hollow insulated glass units. It efficiently adsorbs internal water vapor and residual gas inside the glass spacer, effectively preventing glass fogging, condensation and mildew under high temperature and high humidity environments. It maintains long-term clarity and stability of insulated glass, greatly improving the service life of doors, windows and curtain wall glass.
    2. Compressed Air Drying System
    Widely used in industrial air dryers and pneumatic systems. The molecular sieve quickly removes moisture from compressed air to reduce dew point, avoid pipeline water accumulation, ice blockage and equipment corrosion. It ensures dry and clean air output and stabilizes the operation of precision pneumatic equipment and automated production lines.
    3. Petrochemical & Gas Dehydration
    Applied for drying and purification of natural gas, liquefied petroleum gas, coal gas and various hydrocarbon gases. It effectively absorbs water vapor and trace impurities in gas, prevents pipeline freezing and catalyst failure, and improves gas purity and transportation safety in petrochemical and energy industries.
    4. Industrial Solvent & Liquid Dehydration
    Suitable for deep dehydration of various organic solvents, industrial oils and chemical liquids. It can selectively adsorb water molecules without affecting the original properties of materials, helping enterprises obtain high-purity liquid raw materials and meet fine chemical production standards.
    5. Precision Electronics & Packaging Moisture Proof
    Used for moisture-proof drying of electronic components, precision instruments, optical parts and sealed packaging. It continuously absorbs ambient moisture, prevents product dampness, oxidation and performance degradation, and guarantees product storage and transportation quality.



    4a 14a4a 2

    Leave us a message

    Your Name*

    Phone Number

    Message*