The main materials used for doors and windows generally include three aspects: aluminum profiles, glass, and hardware. When purchasing products, owners often pay more attention to the thickness of aluminum profiles and glass, but the requirements for hardware are not very high, which is not comprehensive. . In fact, the state has certain standards for color aluminum windows. The thickness, strength and oxide film of the aluminum profiles used in high-quality color aluminum windows generally meet national standards. For example, relevant national regulations require: the wall thickness of the aluminum profiles of color aluminum windows should be no less than 1.2mm, and the oxide film The thickness should reach 10 microns. Tempered glass is better than ordinary glass. If the safety and durability of doors and windows are considered, stainless steel hardware accessories are better than aluminum accessories. It is best to choose POM products for pulleys because these products have higher strength. And wear resistance, smooth during use and not easy to break. You know, damage to doors and windows usually starts with door and window accessories!
