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Doors and windows aluminum profiles basically no national standard non-standard said. But the state has a special industry specification for the building aluminum profiles, mainly on the thickness of the profile, material requirements.

Each aluminum profiles produced by the products are basically the same, but different in the specific structure. But like the more common series, such as the national standard 50, 868, 90, these are basically the same.
The 80 series and the 60 series refer to the width of the frame of the aluminum alloy profile is 80mm and 60mm respectively.

According to the processing technology after extrusion, basically, it can be divided into oxidation, electrophoresis, electrostatic powder spraying, fluorocarbon spraying, and wood grain transfer, that is to say, the coating method is different. At present, 85% of the consumption in the market is electrostatic powder spraying profile, that is, color aluminum profiles.

Classification of aluminum alloy doors and windows:
Aluminum alloy doors and windows mainly include: push and pull aluminum alloy doors, push and pull aluminum alloy windows, flat open aluminum alloy doors, flat open aluminum alloy windows and aluminum alloy spring doors. There are national standards for building design.

Each kind of door and window is divided into the basic doors and windows and the combined doors and windows. The basic doors and windows are made up of frame, fan, glass, hardware accessories and sealing materials. The combined doors and windows are made up of more than two basic doors and windows  with piecing material combination into other forms of window or door window.

Each door and window is divided into several series according to the thickness of the door window frame. For example, the push - pull aluminum alloy door with the thickness of the door frame of 90mm is called the 90 series of push - pull aluminum alloy doors.

The push and pull aluminum alloy doors have 70 series and 90 series two kinds.The basic doorway height is 2100,2400,2700,3000 mm. The basic doorway  width of 1500,1800,2100,2700,3000,3300,3600mm. Sliding aluminum window has 55 series, 60 series, 70 series, 90 series, 90-I series. The basic window height is 900,1200, 1400,1500,1800,2100mm. The basic window width of 1200,1500,1800,2100,2400,2700,3000 mm.
Flat open aluminum alloy door has 50 series, 55 series, 70 series. The basic doorway height is 2100,2400,2700mm. The basic doorway width 800,900,1200, 1500,1800 mm. Flat aluminum alloy window has 40 series, 50 series, 70 series. The basic window height is 600,900,1200,1400,1500,1800, 2100mm. The basic window width is 600,900,1200,1500,1800,2100mm.

Aluminum floor spring door has 70 series, 100 series. The basic doorway height 2100,2400,2700,3000,3300 mm. The basic doorway width of 900,1000,1500,1800,2400,3000,3300,3600 mm.
Aluminum alloy surface anodized film color silver white, bronze.

Glass varieties can be ordinary flat glass, float glass, laminated glass, tempered glass, insulating glass. Glass thickness is generally 5mm or 6mm.
Aluminum alloy door and window surface quality requirements:
1. Door and window surfaces should not have obvious scratches, scratches, bumps and other defects.
2. There should be no obvious chromatic aberration on the colored surface of the adjacent bars of doors and windows.
3. The doors and windows surface should not be aluminum powder, burr, grease or other stains, there should be no spilled adhesive at the assembly connection.