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Comparison of broken bridge aluminum doors and windows and plastic steel doors and windows
- Categories:Encyclopedia of Doors and Windows
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- Time of issue:2020-05-23 18:34
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(Summary description)断桥铝门窗与塑钢门窗的比较: 第一、抗风压强度和水密性能的比较 塑钢门窗由于材质强度和钢性低，它的抗风压和水密性能要比断桥铝门窗低不少。而且，由于塑钢门窗的衬钢并未在其型材内腔角部连接成完整的框架体系，窗框、扇四角及丁字节点的塑料焊接角强度比较低。 第二，气密性能的比较 塑钢门窗由于框、扇构件是焊接的，所以它的气密性应比螺丝连接的铝合金门窗略好一些，但断桥铝门窗型材尺寸精度较高，框、扇配合
Comparison of broken bridge aluminum doors and windows and plastic steel doors and windows
(Summary description)断桥铝门窗与塑钢门窗的比较: 第一、抗风压强度和水密性能的比较 塑钢门窗由于材质强度和钢性低，它的抗风压和水密性能要比断桥铝门窗低不少。而且，由于塑钢门窗的衬钢并未在其型材内腔角部连接成完整的框架体系，窗框、扇四角及丁字节点的塑料焊接角强度比较低。 第二，气密性能的比较 塑钢门窗由于框、扇构件是焊接的，所以它的气密性应比螺丝连接的铝合金门窗略好一些，但断桥铝门窗型材尺寸精度较高，框、扇配合
- Categories:Encyclopedia of Doors and Windows
- Author:
- Origin:
- Time of issue:2020-05-23 18:34
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| Comparison of broken bridge aluminum doors and windows with plastic steel doors and windows: First, comparison of wind pressure resistance and watertight performance. Due to the low material strength and rigidity of plastic steel doors and windows, their wind pressure resistance and watertight performance are much lower than those of broken bridge aluminum doors and windows. Moreover, because the steel lining of the plastic-steel doors and windows is not connected to the corners of the inner cavity of the profiles to form a complete frame system, the strength of the plastic welded corners of the window frame, the four corners of the sash, and the tack point is relatively low. Second, the comparison of airtight performance. Because the frame and fan components of plastic steel doors and windows are welded, their airtightness should be slightly better than that of screw-connected aluminum alloy doors and windows, but the dimensional accuracy of broken aluminum doors and windows is higher. The fan is tightly matched. Third, comparison of thermal insulation performance. The thermal insulation performance of broken bridge aluminum doors and windows is not as good as that of plastic steel doors and windows, and the frame fan of aluminum alloy windows accounts for about 10% of the total window area than plastic steel doors and windows. Moreover, aluminum door and window frame fan profiles are not solid. And the wall thickness of the hollow aluminum profile (the actual thermal bridge) is about 40% smaller than the wall thickness of the plastic profile. Fourth, the comparison of lighting performance The lighting performance of plastic steel doors and windows is worse than that of aluminum alloy doors and windows, and the shading area of frame fan members is about 10% larger than that of aluminum alloy doors and windows. The visual field and decorative effect are poor, which is not conducive to energy saving and consumption reduction of architectural lighting. Fifth, the comparison of sound insulation performance The sound insulation performance of a window mainly lies in the sound insulation effect of the glass which accounts for about 80% of the window area. The gap sealing level of broken aluminum doors and windows and plastic steel doors and windows are basically the same, and their sound insulation performance is basically the same. Sixth, comparison of fire resistance: The fire resistance of flame-retardant PVC plastic doors and windows is better than that of combustible wooden doors and windows, but it is worse than non-combustible broken bridge aluminum alloy doors and windows. Regarding the fire performance of doors and windows: steel doors and windows and aluminum doors and windows are relatively good, while plastic doors and windows and wooden doors and windows are relatively poor. Seventh, the comparison of lightning protection and static electricity Broken bridge aluminum doors and windows are good electrical conductors, so they can be used as lightning protection facilities and prevent static electricity. According to the information, for the electrostatic fire protection of plastics, an antistatic oil containing quaternary ammonium salt can be applied to the surface of the plastic, which can absorb moisture in the air and increase the conductivity. However, domestic plastic doors and windows have not been treated with anti-static coatings. Eighth, the comparison of decorative issues The single white color of plastic doors and windows is a huge defect, which cannot meet the colorful and colorful exterior wall decoration needs of various buildings. Relatively speaking, broken bridge aluminum doors and windows have a variety of surface treatment technologies such as powder spraying, anodizing, electrophoretic coating, and wood grain transfer treatment. The surface color has a large choice of white, green and other colors and wood grain, Various surface colors such as granite.  Through the above objective comparison, the broken bridge aluminum doors and windows are worse than plastic-steel doors and windows except for their inferior heat insulation. This is why the broken bridge aluminum doors and windows are popular today and have a high market share. |
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