EAI Wiper Seal are made from Nitrile Rubber, general in 90 Shore A, for press-in fitting on open housings. They are used for Dirt Exclusion.Typical applications are Excavators Equipments, Lift Trucks, and Hydraulic Presses. Our Wiper Seals are moulded from Nitrile Rubber and encased in a heavy duty metal case. This gives them exceptional abrasion resistance and outstanding endurance under difficult operating conditions. Highly effective in removing dirt and contaminants from the rod.