1. Inner Tank: o.41mm SUS304-2B food grade stainless steel (optional material: SUS316L). 2. Outer Tank: o.31mm color steel (SUS304-2B). 3. Bracket: galvanized steel plate with plastic spraying, thickness 1.2mm/1.5mm, angle 20;/30;/40;/45;. 4. Insulation: 55mm polyurethane layer. 5. Vacuum tube material: borosilicate glass 3.3; AL-SS-CU absorb coating 6. Seal material: Stabilized High Temperature Silicon 7. It resists 25mm hail. 8. Heat preservation: 72 hours Seaworthy cartons for container orders, Wood case for samples.
