... SGCC,IGCC,CE,AS/NZS,CCC,ISO9001 d)Gas Filling, Argon Insulated Glass typesInsulated Glass,tempered ... 2", 9/16", 19/32", 5/8")4)Gas Filling: Dry air, Argon5)Sealant: butyl rubber sealant ... lites may be filled with air or an inert gas like argon or krypton which would provide better insulating ... gaps have greater heat conduction through the air or other gas, and larger gaps allow more convection within ...