Heavy Duty Polyurea Polyurethane Foam Spray Insulation Machine 110V 1:1 por | ago 5, 2026Three use airbrush Polyurethane lift pump:. Piston sealing ring is designed with imported technology. Minimum output: 2 kg/min. Raw output: 2~12 kg/min. Maximum output pressure: 25Mpa. AB material output ratio: 1:1.