Main use: This tempering furnace is mainly used to process different kinds of low-e glass, coated glass, printed glass, auto safety glass, architectural glass, decorating glass and aircraft glass , etc. Sorting of products: This machine works on the basis of the convection heating theory and adopts convection blower with sepcial design, unique structure of hot air circulationi and various advanced technologies as well, which greatly increases the glass heating speed. The production efficiency and teh quality have been highly promoted. Its has the unparalleled advantages to process teh low-e glass and is applied to various gx series tempering furnace. Main charactreistics of technologies: 1, 25% higher productivity compared with common radiation furnace 2, heating more evenly, faster, controlling more precisely 3, min low-e value equal or greater than 0.03 when processing low-e glass.