... : 12mm-60mm Hollow Glass is a prefabricated unit made of two or more glass panes with aluminium or ... around with compound sealant. Normally, the spacers width of insulated glass is 6mm,9mm,12mm,15mm,18mm ... and LR 13%-35% depends on different panes of Insulated glass2. Thermal feature Insulating glass can reduce ... noise, if applied with laminated pane,80 decibels of traffic noise could be as low as 45 ...