ã€China Aluminum Network】 aluminum alloy doors and windows, refers to the use of aluminum alloy extruded profiles for the frame, concrete, fan materials, doors and windows made of aluminum alloy doors and windows, referred to as aluminum doors and windows. Including the use of aluminum alloy as a rod (to withstand and transfer the weight of the rod) substrate and wood, plastic composite doors and windows, referred to as aluminum-wood composite doors and windows, aluminum-plastic composite doors and windows.
Aluminum alloy doors and windows should meet the following requirements:
1. There should be no obvious scratches, scratches, bumps or other defects on the surface of doors and windows.
2. There should be no aluminum cutting, burrs, oil spots or other smudges on the surfaces of doors and windows. There should be no spilled adhesive at the assembly joints.
3. There should be no obvious color difference on the colored surface of adjacent bars and windows.
4. The door and window products shall be subject to factory inspection in accordance with regulations, and the factory shall be accompanied by a certificate of conformity. Painted galvanized steel doors and windows quality requirements Painted galvanized steel doors and windows referred to as colored deep steel doors and windows, also known as color plate doors and windows.
The quality requirements for materials and accessories for color-coated galvanized steel doors and windows should meet the following requirements:
1. The substrate, the main profile should be 0.7mm-0.9mm color coated steel plate, the surface of the color coating is polyester coating. The salt spray test is not bubbling and rusting.
2. Door and window hardware fittings, hinges, supports, handles should be made of zinc alloy castings, stainless steel, steel stampings, reinforced nylon and other materials, should have anti-corrosion properties. Other connectors, self-tapping screws, and embedded parts are resistant to corrosion and rust.
3. Seals, using pvc modified plastic strips, rubber strips and so on.
4. Screen yarn, using nylon wire, copper wire, aluminum wire and so on.
5. Anti-corrosion coating, using acrylic resin, zinc-rich primer, silicone, color plate repair coatings.
6. Glass, flat glass, hollow glass, etc. should be used. The thickness of plate glass is calculated as wind load and is 3-6mm. Hard PVC plastic doors and windows of the quality requirements of rigid PVC plastic doors and windows referred to as plastic doors and windows.
Plastic door and window quality requirements should meet the following requirements:
1. Profiles used in doors and windows shall comply with the requirements of (pvc) profile standards.
2. Window seals shall comply with the requirements of the plastic door and window seals.
3. The ribbed steel used for doors and windows shall comply with the technical conditions for hot-rolled streaks of common carbon structural steels and low-alloy structural steels and the provisions for the standard, size, shape, weight and allowable deviation of general cold-formed open-end steels.
4. The structural dimensions of finished products for doors and windows shall comply with the requirements for the basic dimensional tolerances of plastic doors and windows.
5. The graded performance of doors and windows products shall meet the requirements for the physical performance classification of pvc plastic doors and windows.
6. The surface of doors and windows should be smooth, free of bubbles and cracks, and the color should be uniform. There should be no obvious damage to the decorative surface of the window frames.
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