... , 1. PU foam machine, PU foam spraying 2. insulator making 3. heat resistant insulation heat insulation machine,insulator making machineUsed for production of horniness ... cushion of automobile and motor, instrument plate, cold locker, pipe in pipe, active cold storage board, and etc.* easy to ... : 170kg6. pump ratio: 2: 1, 1: 1. 7. for connecting to tank 180~220L drum, or tank. heat insulation machine