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Product Short Description: Absorbent and Catalyst
Product Description:

The pore size of 4A molecular sieve is 4A. It is mainly used to adsorb water, methanol, carbon dioxide, ethylene, propylene, does not adsorb any larger molecular than 4A and often used as desiccant in industrials.

Product Application:
Typical applications:
1. Deep drying of air, natural gas, alkane and refrigerant.
2. Generation and purification of argon.
3. Static dehydration of electronic element, pharmaceutical and unstable materials.
Desiccant for paint, dope and foul etc.Typical applications:
Deep drying of air, natural gas, alkane and refrigerant.
Generation and purification of argon.
Static dehydration of electronic element, pharmaceutical and unstable materials.
Desiccant for paint, dope and foul etc.
Product Dose:
Product Note:
Formula:
Na2O.Al2O3.2.0SiO2.4.5H2O
 
Attention:
To avoid damp and pre-adsorption of organic before running or must to be reactivated.
To avoid damp and pre-adsorption of organic before running or must to be reactivated.Attention:
To avoid damp and pre-adsorption of organic before running or must to be reactivated.
Product Technical Specification:

 

 Item

 Unit   Type    
Shape   Pellet Sphere    
Diameter    mm   1.5 - 1.7     3.0-3.3     1.7-2.5     3.0-5.0
Size ratio up to grade %
   ≥98		      ≥98       ≥96      ≥96
Bulk Density g/ml    ≥0.60      ≥0.60      ≥0.64      ≥0.64
Wear Ratio %       ≤0.20       ≤0.25     ≤0.20     ≤0.20
Crushing Strength N      ≥30/cm   ≥45/cm     ≥60/p    ≥70/p
Static Adsorption %      ≤16     ≥16     ≤16      ≤16
Packing Water %       ≤1.5       ≤1.5      ≤1.5     ≤1.5
Remarks:
prod_useful_area:
MOLECULAR SIEVE 4A
 
Molecular sieves are crystalline metal aluminsilicates having a threedimensional interconnecting network of silica and alumina tetrahendra. This sodium form reoresents the type A family of molecular sieves. Effective pore opening is -4A0, thus excluding molecules of effective diameter>4A, e.g., propane.
Type 4A molecular sieve is typically used in regenerable drying systems to remove water vapor or contaminants which have a smaller critical diameter than four angstroms.Generally considered a universal drying agent in nonpolar media. Due to its unique crystal structure the water of crystallization is removed from the network by heating to produce uniform cavities called pores which selectivley adsorb molecules of a specific size. This strong adsorptive force allows molecular sieves to remove many gas or liquid impurities to ppm or less levels. Our molecular Sieve exhibits high resistance to attrition and physical damage during service.
 
Typical Technical Data
 
Parameter 4A-S 4A-G
Shape Pellets Beads Pellets Beads
Size (mm) 3.0 & 1.5 0.5 – 6.0* 3.0 & 1.5 0.5 – 6.0*
Bulk Density (kg/lit.) 0.75 – 0.85 0.64 – 0.70
Water Adsorption Capacity @ 15% RH & 300C (%) 21.5 18.0
Water Adsorption Capacity @ 75%RH & 300C (%) 23.5 21.0
Attrition loss / Abrasion loss (%) <0.15 <0.2
Specific Heat (kcal/kg H2O) 0.23
Heat of Adsorption (kcal/kg H2O) 1050
Packing in steel drum (kg) 150-160 125-145
 
A set of size can be selected from the above range. E.g 0.5 mm, 1-3 mm, 2-4 mm, 3-5mm etc.
 
Major Applications: Perferred for static / dyanamnic dehydration in closed liquid or gas systems, e.g., LPG & LNG drying, solvent drying,  air drying, in packaging of drugs, eletric components and perishable chemicals; water scavenging in printing and plastic systems and drying saturated hydrocarbon streams. Adsorbed speacies include SO2, CO2,H2S, C2H4, C2H6, and C3H6.
Product Supply Location:

Molecular Sieve 4A Absorbent and Catalyst MANUFACTURER, Exporter and supplier in Nairobi Kenya Africa, Fujairah, Ajman, Abudhabi, Sharjah, Dubai, MUMBAI, Gandhidham, Chennai, Visakhapatnam, Kolkata, Muscat Barka, Sohar, Oman, Canada

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