PU foam, PU foam machine, 1. polyurethane foaming machine, 2. pneumatic, air operated 3.electric control PU foam machine,polyurethane foaming machine, foaming PU machineryUsed for production of ... ,* cushion of automobile and motor, instrument plate, cold locker, pipe in pipe, active cold storage board, and etc.* easy to operation ... , 1: 1. 7. for connecting to tank 180~220L drum, or tank.