Descripción del producto

specifications: length:***0 mm diameter of outer tube:*7mm material:borosilicate glass thuickness of the glass:1.8mm vacuum:p<0.**5 just like an automobile engine, the computer CPU, evacuated tube is the solar water ***** performance lies on the coating ***** three-target evacuated tube rise the heat more than *2%. 1.high temperature: by special interference-layer it could bear the high temperature reach to **0, and the coating will not shed and aging. 2.super anti-cold:super-copper launches mirror, low reflectance, little heat loss, good absorber result in cold enviroment, also can generate hot water ***** absorption:high absorption is *2%, reflection reduces *5% heat increase *2% higher temperature, more hot water.