Design type: spring loaded; multi-lip Temperature range: -20°F to 300°F / -29°C to 49°C Resistance to EP lubricants Low swell in hydrocarbon fluids Delivers quality and reliable performance for every type of repair Material: Polyacrylate Design type: Spring loaded; multi-lip Temperature range: Minus 20 degree Fahrenheit to 300 degree Fahrenheit Compatible with most oils and EP lubricants at higher operating temperatures High resistance to oxidation and ozone, and has low swell in hydrocarbon fluids