Description

Solar collector tube: 3.3 high borosilicate glass tube, vacuum magnetic-control sputtering, nano-metal interference coating technology Inner tank of heat preservation: imported SUS***-BB food stainless steel material Insulation layer and thickness: imported equipment, imported freon-free polyurethane material, freon-free whole foaming technology, handle with ripening and constant temperature, close cell content reaches more than *5%, thinkness reaches *0mm**0mm Outer tank material: pearlized plate, fluorocarbon plate Support material: advanced galvanized sheet stamp-forming , handle with weather-resistance and antioxidant on the surface multi-triangle combination, more stable and fast Obturating ring: silicone rubber high temperature Temperature after heating: *5degree**5degree