... PLC touch screen human-computer interface control panel makes the machine easy to use and the operating situation of machines easy ... range of injection time: 0.01-99.9S Product Use:PU pillows, steering wheels, bumpers, cutification, fast rebound, slow rebound, toys ... , hard foaming, refrigerator materials, medical appliances, elastomer, soles, etc. Polyurethane Low Pressure Foam Machines