... house TAMGLASS tempered furnace 3-19mm low-iron house glass Export to over 20 country ... CCC,meet EN/BS/NZS/ANSI tempered Low-iron glass houseTempered glass is made from annealed glass ... Step III the glass is then transferred into the heating chamber of the tempering furnace. Here the glass ... 4800mmb) Thickness from 3mm to 19mmc) Color, clear, low-iron, F green, Natural green, Weihai blue, Ford blue, ...