... heat insulation and avo... Insulated Glass(window glass) Insulated glass is a kind of combined glass, which consists more than two ... glass GB/T11944-2002 Specification maximum size:2440mm×4200mmminimum size: 300mm×300mmmiddle layer thickness (standard) 6A,9A,12A,16A Insulated Glass,Double Glass,Building Glass ... ,window glass