This is a lip-seal which can be used for both piston seal and rod seal. Technical Data Operating conditions Pressure: CPU: ≤31.5Mpa, TPU: ≤21Mpa Temperature: -35～+80°C Speed: ≤0.5m/s Media: Hydraulic oils (mineral oil-based) Material Material: CPU/TPU Hardness: 90-95 Shore A Color: Blue/Green/Light Yellow/Natural