Special attention should be paid to the oxidation of aluminum materials. If the temperature or humidity is too high, too much corrosion will occur, which will easily lead to the aging of profiles. After the aluminum profile is used for a long time, it will be oxidized. If it is oxidized, we will deal with it, and there are many problems that need attention when paying attention. What are the points for attention?

Points for attention in treatment of aluminum profile after oxidation

(1) Hot water washing: The purpose of hot water washing is to age the film. However, the water temperature and time should be strictly controlled. If the water temperature is too high, the film will become thinner and the color will fade. The similar problems mentioned above will also occur when the industrial aluminum profile is treated for too long. The suitable temperature and time are: temperature 40 ~ 50℃ for 0.5 ~ 1 min.

(2) Drying: it is better to dry naturally. The workpiece filled with hot water is hung obliquely on the shelf, so that the free water on the working surface flows downwards in a straight direction. The water drops flowing to the corner of the lower end are sucked with a towel, and the color of the film dried by this method is not affected, which is natural.

(3) Aging: The aging method of aluminum profile can be determined according to the climatic conditions. It can be exposed to sunlight in summer with sunshine and baked in an oven in rainy days or winter. The technological conditions are: the temperature is 40 ~ 50℃ for 10 ~ 15 min.

Industrial aluminum profiles have a wide appearance and are not easy to be polluted by oil.

Industrial aluminum profiles are mainly used in industrial buildings, and their appearance is very bright and full of texture. Its surface is very smooth, so even if it is stained with property, it can be easily erased and not easily stained. When industrial aluminum profiles are assembled into products, profiles with different specifications are adopted according to different loads, and matching aluminum profile fittings are adopted, which is environmentally friendly without welding, and it is light and convenient to install and disassemble, carry and move.

What are the characteristics of industrial aluminum profiles?

1. Non-ferromagnetic

Aluminum profiles are non-ferromagnetic, which is an important characteristic for electrical and electronic industries. Aluminum profiles cannot spontaneously ignite, which is important for applications involving handling or contact with flammable and explosive materials.

2. Machinability

Machinability of aluminum profiles is excellent. In all kinds of wrought aluminum alloys and cast aluminum alloys, and in all kinds of states after these alloys are produced, the machining characteristics change greatly, which requires special machine tools or technologies.

3. Formability

Specific tensile strength, yield strength, ductility and corresponding work hardening rate dominate the variation of allowable deformation.

4. Recoverability

Aluminum is highly recyclable, and the characteristics of recycled aluminum are almost the same as those of primary aluminum.

5. Corrosion resistance

The density of aluminum profile is only 2.7g/cm3, which is about 1/3 of that of steel, copper or brass (7.83g/ cm3 and 8.93g/ cm3 respectively). In most environmental conditions, including air, water (or salt water), petrochemical and many chemical systems, aluminum can show excellent corrosion resistance.

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