... )Gas Filling, Argon Insulated Glass typesInsulated Glass,tempered insulated glass,low-e insulated glass,hollow glass,insulating glass, double glazing glass,low-e insulating glass, sealed insulating glass,window glassSpecification1)Max size:2700X5000mm ... , not sound or electricity. A less accurate term is "insulating glass", since the glass itself has no insulative properties. It is the air ...