3A; Drying agent for pyrolysis gas and alkene. 
  
4A; Drying agent for natural gas and absorbent for paraffin separation. 
  
5A; Dehydration,desulfurization and purification of air, natural gas and oil, in oxgen making and hydrogen making by PSA processes. 
  
13X; Dry and desulfurization and purification for oil and gas. 
  
Technical Parameter for 3A 
| Item | 
 Unit  | 
 Technical data  |  
| 
 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  | 
 ≥0.64  | 
 ≥0.64  | 
 ≥0.68  | 
 ≥0.68  |  
| 
 Wear ratio  | 
 %  | 
 ≤0.20  | 
 ≤0.25  | 
 ≤0.10  | 
 ≤0.10  |  
| 
 Crushing strength  | 
 N  | 
 ≥45/cm  | 
 ≥60/cm  | 
 ≥30/piece  | 
 ≥70/piece  |  
| 
 Static water adsorption  | 
 %  | 
 ≥20  | 
 ≥20  | 
 ≥20  | 
 ≥20  |  
| 
 Ethylene adsorption  | 
 %  | 
 ≤3.0  | 
 ≤3.0  | 
 ≤3.0  | 
 ≤3.0  |  
| 
 Water content, as shipped  | 
 %  | 
 ≤1.5  | 
 ≤1.5  | 
 ≤1.5  | 
 ≤1.5  |    |