Aluminium Window Frame Extrusions & Door Frame Extrusions
Aluminium window frame extrusions and aluminium door extrusion are divided into significant frame aluminium profiles and supplemental aluminium profiles. The mainframe aluminium extrusions are the primary extruded aluminium that forms the door and window frame. The supplemental aluminium profiles are additional profiles (such as glass beading, water draping, etc.) that are inlaid or fixed to the primary aluminium profile bar in the door and window frame to provide force or function.
6000 series aluminum alloy is the primary material for aluminium window frame and door frame. 6063 aluminium alloy is common used for such extruded aluminium frames.
The popular wall thickness of the aluminium profile for a door frame is 2.0mm; the thickness of the main effect of the aluminium profile for a window frame is 1.4mm. All parts have a range of tolerance, and the smaller the dimensional tolerance, the better the aluminium profiles are.
The anodizing surface of the aluminium extrusion for door frame and window frame should have an average film thickness of at least 15μm. You can use the nail to scratch the surface of the door frame and window frame lightly. If the anodizing film can be wiped off, the thickness of the film layer is not up to standard.
The thickness of the powder coating on the surface of aluminium extrusions is at least 40 μm. The layer on the decorative surface of the profile shall be smooth and uniform, and no defects such as wrinkles, flow marks, bubbling, or cracks shall be allowed. Woodgrain color is also a kind of powder coating surface, but with a wood-like texture and color.
The coating is divided into 2-Coat and 3-Coat. The 2-Coat requires an average film thickness of at least 30 μm, and the 3-Coat requires an average film thickness of at least 40 μm. The coating on the decorative surface of the profile should be smooth and uniform, and no wrinkles are allowed. , flow marks, bubbling, cracks, etc. affect the defects used.