high quality
best price
accept OEM
Port: shanghai
Minimum Order Quantity: 20 Piece/Pieces
Supply Ability: 1700 Set/Sets per Day
Payment Terms: T/T
Contact Supplier
Inner tank 0.4mm SUS304 stainless steel made in Korea, Middle polyurethane made by Germany Bayer .Outer tank is 0.4mm color steel. Frame is 1.2 mm zinc-coated.
Whole glass vacuum tubes adopt super hard borax and silica glass;
Absorb rate: ≥93%, thermal radiation rate: ≤6%(100 °C)
Temperature when exposed to sun without water: 250°C, 2.5hours to boiling if using single tube;
Resist 25mm hail, using life can last 20 years.
The price list is not including the reflector.