SuperAirTM ---Radiation heating plays a main role during glass heating, while larger volume of compressed air is blown into heating furnace by intelligent pipe convection system. Therefore, both on-line and off-line Low-E glass can be evenly heated. LD-A SuperAir flat tempering furnace adopts SuperAir heating technology; it is suitable for tempering flat glass for architecture and furniture. Glass can be tempered includes: on-line Low-E glass, extra white glass, silk-printed glass, pattern glass, tinted glass, clear glass, etc.