The surface of aluminum alloy doors and windows should meet the following requirements: 1. There should be no obvious scratch, scratch, bruise and other defects on the surface of doors and windows. 2. There should be no aluminum shaving, burr, oil stain or other stains on the surface of doors and windows, and there should be no adhesive overflow at the assembly joint. 3. There should be no obvious color difference on the coloring surface of adjacent bars of doors and windows. 4. The door and window products shall be subject to factory inspection according to the regulations, and the certificate of conformity shall be attached. The quality requirements of color coated galvanized steel doors and windows are color deep steel doors and windows, also known as color plate doors and windows.
The quality requirements of materials and accessories for color coated galvanized steel doors and windows shall meet the following requirements. 1. The base material and main profile shall be 0.7mm-0.9mm color coated steel plate, and the surface color coating shall be polyester coating. Salt spray test will not blister and rust. 2. Door and window hardware accessories, hinge, support and handle shall be made of zinc alloy casting, stainless steel, steel stamping parts, reinforced nylon and other materials, and shall have corrosion resistance. Other connectors, self tapping screws and embedded parts have anti-corrosion and anti rust performance. 3. Sealing strip, PVC modified plastic strip, rubber strip, etc. 4. The window screen is made of nylon wire, copper wire and aluminum wire. 5. Anticorrosive coating, using acrylic resin, zinc rich primer, silica gel, color plate repair coating, etc. 6. Flat glass and insulating glass shall be used for glass. The thickness of flat glass is 3-6 mm according to wind load. Quality requirements of rigid PVC plastic steel doors and windows.
The quality requirements of plastic steel doors and windows shall meet the following requirements. 1. The profile used for doors and windows shall meet the requirements of (PVC) profile standard. 2. The sealing strip for windows shall comply with the standard for sealing strips for plastic doors and windows. 3. The stiffener section steel used for doors and windows shall conform to the technical conditions for hot rolling spot of common carbon structural steel and low alloy structural steel, and the provisions of general cold-formed open section steel size, shape, weight and allowable deviation standard. 4. The structural dimensions of the finished doors and windows shall comply with the basic dimensional tolerance of plastic doors and windows. 5. The classification performance of doors and windows products should meet the requirements of physical property classification of PVC plastic doors and windows. 6. The surface of doors and windows should be smooth, without bubbles and cracks, and the color should be uniform. The decorative surface of door and window frames should not have obvious damage.
Please indicate the source of the article: Shanghai liefan aluminum alloy door and window factory//