Flexible Polyurethane Tubing Pneumatic PU Pipe Tube Hose – Air Chemical Fuel Oil Polyurethane Flexible Air Tube Pneumatic Tube. Material: Polyurethane (PU). Hardness: 95±2A. -Light weight, easy to use and flexible, easy for pipe routing. - Resistant to high pressure, vibration, corrosion, abrasion, weather, and torsion. byJuly 4, 2026