... foam machine, PU foam spraying 2. insulator making 3. heat resistant insulation heat insulation machine,insulator making machineUsed for production of horniness and semi ... such as:* sofa mat, seat, massage armchair,* thermal insulating layer, heat insulator, solar panel,* petroleum pipeline, hourse roof,* cushion of automobile ... 7. for connecting to tank 180~220L drum, or tank. heat insulation machine