DESCRIPTION
The MC-HD is a heavy duty metal encased double lip urethane wiper. The double lip design provides optimum contact with the rod to keep out contaminants. When used with a multi-lip sealing system they provide a dry clean rod. 
These wipers are excellent for severe applications and are commonly found in Caterpillar equipment. 
 
SEAL INFORMATION
Material Type (Primary Seal): POLYURETHANE  
Material Type (Casing): CARBON STEEL  
Durometer (Shore A): 92  
Temperature Range (F): -65 TO 230  
Max Speed (ft/sec): 3.0  
Mating Surface Roughness - Ra (µin) - DYNAMIC: 4<>16  
Mating Surface Roughness - Ra (µin) - STATIC: 63 MAX  
Part Number Definition (Inch): MC-(ROD DIAMETER)X(OD)-(HT)U-HD