... makes the mixing even, the noise low and the machine sturdy and durable.The imported pumps make the ... of injection time: 0.01-99.9S Product Use:PU pillows, steering wheels, bumpers, cutification, fast rebound, ... thermal insulation materials, bicycle cushions, car cushions, hard foaming, refrigerator materials, medical appliances, elastomer, soles, etc. Polyurethane Low Pressure Foam Machines