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Standardized with the materials of high performance PU 93 Shore A, U1 are used very widely in hydraulic cylinders. Having shorter outer sealing lip U1 nutrings are desinged especially for piston applications. 

Technical Data    
Pressure:  400 bar    
Temperature: -35  to +110     
Speed:  0.5m/s     
Media: Hydraulic oils (mineral oil-based)     
Material: PU    
Hardness: 93 2 Shore A     
Color: Blue   
High resistance to high temperature    
Low compression set    
Suitable for the most severe working conditions    
Easy installation    

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