8mm+12A+8mm clear tempered insulated curved glass, it is made by 1pcs of 8mm tempered curved glass with 1pcs of 8mm clear tempered curved glass sealed around the edges with an 12mm air spacer between, to form a single unit.8mm+12A+8mm argon insulating glass, 8mm+12A+8mm insulated curved glass unit, 1/4 clear glass+1/2 argon spacer+1/4 toughened double glazing unit curved glass, which is the most effective way to reduce air to air heat transfer through the glazing, widely used for window, door and curtain wall. The advantages of 28mm tempered insulated curved glass