AF is a wiper with a metal framework which usd in hydraulic applications to obstruct all kinds of negative foreign particles to go into the cylinders.
Standardized with the materials of high performance PU 93 shore A and Metal case.          
          
Technical Data   
Temperature: -35 to +100 
Speed:  1m/s    
Media: Hydraulic oils (mineral oil-based)    
   
Material   
Material: PU  Framework: Metal   
Hardness: 93 2 Shore A    
Color: Blue / Green / Light yellow   
   
Advantages   
High abrasion resistance   
Widely applicable   
Easy installation