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                                          Advanced Specialty Gas Equipment


                                          Type 4A Molecular Sieve

                                          Na12[(AlO2)12(SiO2)12] · X H2O--Molecular Sieve Type 4A, the sodium form of the Type A crystal structure, is an alkali metal alumino-silicate. Available in powder, pellets,mesh and beads for static dehydration in a closed gas or liquid system. Used in packaging of drugs, electronic components, and perishable chemicals; and as a water scavenger in paint and plastic systems. Type 4A is also used commercially in drying saturated hydrocarbon streams.


                                          Typical Physical Properties

                                            Powder 1/16"
                                          Pellets
                                          1/8"
                                          Pellets
                                          14 x 30
                                          Mesh
                                          8 x 12
                                          Beads
                                          4 x 8
                                          Beads
                                          Nominal Pore Diameter (angstroms) 4 4 4 4 4 4
                                          Particle Diameter *(mm) -- 1.6 3.2 0.8 2.0 4.0
                                          Particle Size (microns) <10 -- -- -- -- --
                                          Bulk Density (lb/ft³) 32 44 44 44 44 44
                                          Heat of Adsorption (Btu/lb H2O) -- 1800 1800 1800 1800 1800
                                          Crush Strength (lbs) N/A 10 20 N/A 7 18
                                          Equilibrium H20 Capacity ** (wt-%) 27 22 22 22 22 22
                                          Moisture Content (wt-%) 1.5 1 1 1 1 1

                                          * The length of the pellets is approximately twice the diameter.
                                          ** Measured at 17.5 mm Hg and 25°C

                                          Part No. Quantity Form
                                          MS-1069 1/2 lb. Powder
                                          MS-1070 1/2 lb.–Case of 6  
                                          MS-1071 2 lb.  
                                          MS-1072 2 lb.–Case of 4  
                                          MS-1073 12 lb.  
                                          MS-1074 30 lb.  
                                          4APOW-200 200 lb.  
                                          4APOW-24x50 1200 lb. (24 bags)  
                                               
                                          MS-1082 1 lb. 1/16" Pellets
                                          MS-1083 1 lb.–Case of 6  
                                          MS-1084 5 lb.  
                                          MS-1085 5 lb.–Case of 4  
                                          MS-1086 25 lb.  
                                          MS-1088 50 lb.  
                                          4AP16-300 300 lb.  
                                               
                                          MS-1096 1 lb. 1/8" Pellets
                                          MS-1097 1 lb.–Case of 6  
                                          MS-1098 5 lb.  
                                          MS-1099 5 lb.–Case of 4  
                                          MS-1100 25 lb.  
                                          MS-1102 50 lb.  
                                          4AP8-300 300 lb.  
                                               
                                          MS-1110 1 lb. 14 x 30 Mesh
                                          MS-1111 1 lb.–Case of 6  
                                          MS-1112 5 lb.  
                                          MS-1113 5 lb.–Case of 4  
                                          MS-1114 25 lb.  
                                          MS-1116 50 lb.  

                                          Safety and Handling
                                          See the UOP brochure entitled "Molecular Sieve Safety Bulletin for Manufacturers", or contact your ASGE representative.

                                           
                                          Part No. Quantity Form
                                          MS-1124 1 lb. 8 x 12
                                          MS-1125 1 lb.–Case of 6 Beads
                                          MS-1126 5 lb.  
                                          MS-1127 5 lb.–Case of 4  
                                          MS-1128 25 lb.  
                                          MS-1130 50 lb.  
                                          4AB82-300 300 lb.  
                                               
                                          MS-1138 1 lb. 4 x 8
                                          MS-1139 1 lb.–Case of 6 Beads
                                          MS-1140 5 lb.  
                                          MS-1141 5 lb.–Case of 4  
                                          MS-1142 25 lb.  
                                          MS-1144 50 lb.  
                                          4AB48-300 300 lb.  
                                               
                                          MS-1152 1 lb. 8 x 12
                                          MS-1153 1 lb.–Case of 6 Beads
                                          MS-1154 5 lb. with
                                          MS-1155 5 lb.–Case of 4 Indicator†
                                          MS-1156 25 lb.  

                                          Type 4A Molecular Sieves are available packaged in 55-gallon drums - Contact ASGE for price and availability.

                                          For More Information
                                          For additional information, see MATERIAL SAFETY DATA SHEET (MSDS) for this material listed or contact your ASGE representative.

                                          †Molecular Sieves with indicator contain beads that have been chemically impregnated to display a blue color when fully activated by removing the water of hydration. When a gas stream is dried using this product, the color blue will turn to pink as water is adsorbed denoting saturation of the sieve.

                                           

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