... glass,hollow glass,insulating glass, double glazing glass,low-e insulating glass, sealed insulating glass,window glassSpecification1) ... sense to buildingsQuality StandardCE,CCC,GB/T11944-2002, Insulating Glass Standard, ChinaApplicationsRestaurant,Hospitals/Schools,Airports,Freezers/ ... this range, the thickness does impact the insulating properties substantially, but smaller gaps have greater heat ...