1. material of inner tank: SUS304-2B 0.40MM thickness

2. material of outer tank???Color steel   

3. bracket materail???Galvanized plate  1.50MM

4. heat preservation: 72-80h

5. insulation ???55MM foaming

6. Absorption rate???≥93%???Heat radiation rate???≤6%(100???)                     

7.Angle:45°