... ,iron oxide less 80PPM,light transmittance 92-93.5% 2.Frame:6063TS Aluminium alloy Blue Sputtering Membrane ... ,absorption≥97%,emission(100°c)<3%.4.Header pipe:Red copper tube(TP2)DN22x0.8,copper purity ... ≥99.9%.5.Riser pipe:Red copper tube(TP2)DN22x0.8,copper ... low-iron tempered texture glass with more than 93.5% transmission.12.Blue sputtering collector efficiency,stands on ...