... stability &durability, noise &heat resist,different designs Product namethermal insulation PVC tilt-turn windowCategoryPVC tilt-turn windowFrame materialPVC plastic Glasses1 ... 3mm-15mm,tempered glass,low-e glasses.2.double or triple insulating glasses ,the gap for glasses can be various as following: ... mm, the glass can be tempered or low-e glasses.ColorCommon color is white, any color can be various ...