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Standardized with the materials of high performance PU 93 Shore A, UNR/UHR are used very widely in hydaulic cylinders.  Having shorter inner sealing lip UNR/UHR nutrings are designed especially for rod applications.          

Technical Data   
Pressure:  400 Bar   
Temperature: -35  to +100  
Speed:  0.5m/s    
Media: Hydraulic oils (mineral oil-based)    
Material: PU   
Hardness: 93  2 Shore A    
Color: Blue, Dark green   
High resistance to high temperature   
High abrasion resistance   
Low compression set   
Easy installation   

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