What are the advantages of plastic steel doors and windows?

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Stronger thermal insulation. Multi-cavity structure of plastic steel doors and windows can effectively carry out indoor insulation, and the effect of heat transfer performance can also improve indoor problems. Compared with aluminum doors and windows and steel doors and windows, the thermal insulation effect of plastic steel doors and windows is also stronger, and plastic steel doors and windows are also the best choice for the Northeast with heating.

More durability. The advantages and disadvantages of plastic steel doors and windows are also reflected in the physical properties, whether it is the design of materials or structure, which is better than other types of doors and windows. Moreover, when the plastic steel doors and windows are installed, there will be sealing strips or wool strips, which can play a sealing effect, which is not only more insulation, but also can enhance its practicability.

Plastic steel windows have the characteristics of thermal insulation and heat insulation, which makes the living room more comfortable, quiet and more modern. In addition, it also has the advantages of acid resistance, alkali resistance, corrosion resistance, dustproof, flame retardant self-extinguishing, high strength, no deformation, harmonious tone, etc., no need to apply anti-corrosion paint, durable, and its air tightness and water tightness are larger than those of similar doors and windows. Compared with aluminum alloy, the value is not large, the fire performance is poor, the aging is fast, because it cannot be degraded, so it is a problem for environmental protection.

Good fire resistance of plastic steel doors and windows: plastic steel doors and windows are made of UPVC material, which does not spontaneously combust or support combustion.

Good thermal insulation of plastic steel doors and windows: the plastic thermal conductivity in the aluminum-plastic composite profile is low, and the thermal insulation effect is 1250 times better than that of aluminum.

Impact resistance of plastic steel doors and windows: Because the outer surface of the aluminum-plastic composite profile is aluminum alloy, it is much stronger than the impact resistance of the plastic steel window profile.

Plastic steel doors and windows have good anti-theft: aluminum-plastic composite windows, equipped with excellent hardware accessories and high-grade decorative locks, make thieves helpless.

Good airtightness of plastic steel doors and windows: Aluminum-plastic composite windows are equipped with multiple sealing wool strips or rubber strips at each gap, and the air tightness is first-class, which can give full play to the air conditioning effect and save 50% of energy.

Best design: The aluminum-plastic composite window is scientifically designed and uses reasonable energy-saving profiles, so it has been recognized and praised by the national authority, which can add luster to the building.

Maintenance-free: Aluminum-plastic composite profiles are not easy to be eroded by acid and alkali, will not turn yellow and fade, and almost do not need to be maintained. When dirty, it can be scrubbed with water and detergent, and it will be clean as ever after cleaning.

1. Advantages: 1. Strong machinability of plastic steel windows In the molten state, plastic has high fluidity. As a result, a precise cross-sectional structure can be formed with this mould to meet the functional requirements of the window.

It can also form a segmented cavity to improve the thermal insulation, sound insulation and drainage of the window and avoid corrosion of the reinforced section steel.

2. Plastic steel windows are energy-saving, plastic windows are more energy-saving than other windows and improve the indoor thermal environment, according to the test of the Institute of Physics, the heat transfer coefficient of single glass steel and aluminum windows is 64W m2K; The heat transfer coefficient of single glass plastic steel window is about 47W m2k.

The heat transfer coefficient of ordinary double-glazed steel and aluminum windows is about that; The heat transfer coefficient of double-glazed plastic steel windows is about. Windows account for 30% of the building's envelope area and 49% of the heat dissipation. It can be seen that plastic steel windows have good energy-saving benefits.

3. The sound insulation performance of steel and aluminum windows is about 19 decibels, and the sound insulation performance of plastic steel windows can reach more than 30 decibels. In an increasingly noisy urban environment, the use of plastic steel windows can make the indoor environment more comfortable. According to information provided by Japan, in order to meet the same noise reduction requirements, the distance between aluminum window buildings and the main road must reach 50 meters, and the distance between plastic window buildings can reach 18 meters.

According to the test of the Beijing Municipal Institute of Labor Protection, the indoor noise of the plastic steel window is reduced to 32db(a), and the effect is good. With the development of the economy, the problem of urban noise is becoming more and more serious. Plastic steel windows play a great role in improving the quality of the sound environment of people's life and work.

In addition, PVC windows are corrosion-resistant and can be used in coastal, chemical plants and other corrosive environments.

4. The appearance of plastic steel windows is good, which is enough to meet the requirements of domestic decorative effects, and the human body feels more comfortable than metal. Due to some outstanding advantages, plastic steel windows have been widely used in China and have become a new trend in the field of construction.

5. The cost of plastic steel windows is low, compared with aluminum alloy windows, the cost of plastic steel windows with the same use efficiency is 30%-60% lower than that of aluminum alloy windows, which is the main reason for the promotion of plastic steel windows.

2. Disadvantages: 1. The rigidity of PVC material is not good, and steel strips must be attached internally to increase the hardness.

2. The fire performance is slightly poor, if the fire protection requirements are relatively high, it is recommended to use aluminum alloy materials.

3. The brittleness of plastic steel material is larger, heavier than that of aluminum alloy, and it will be toxic when burned.

Sound insulation: plastic doors and windows are extruded, and the sound insulation effect of double-layer vacuum glass is greater than 30 decibels.

Aging resistance: between minus 30 and minus 70, plastic steel doors and windows can withstand wind, rain, sun, dry and humid, and their color and luster are as good as new.

Erosion resistance: plastic steel doors and windows have higher compression, tensile resistance, heavy impact resistance, crack resistance, and expansion resistance than wood and aluminum, and corrosion resistance better than steel, wood and aluminum, and are not eroded by air and salt.

Sealing: plastic steel doors and windows are designed with multi-layer sealing, and the PVC surface is smooth, not easy to stick to dust and dirt, and the dust-proof effect is excellent.

Elegant and beautiful: PVC can be matched into a variety of colors, such as white, brown, blue, red, yellow, etc., consumers can choose at will, and the frame structure of large frame and wide glass is conducive to indoor lighting. If it is equipped with decorative metal fittings, it can beautify the indoor environment.