For the doors and windows of a chemical plant, is aluminum alloy or plastic-steel better?
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Are there any differences between these two doors and windows?
Plastic-steel windows: Plastic-steel windows are a new type of window that has been **recognized and actively promoted; they began to appear rapidly in various buildings starting from the 1990s. The main material used in these windows is polyvinyl chloride resin, which is easy to process, more energy-efficient, provides good sound insulation, has low production costs, and also has an attractive appearance! Broken bridge aluminum alloy windows: Broken bridge aluminum is an upgraded version of aluminum alloy, offering superior performance. The original aluminum alloy had a significant drawback: its thermal insulation performance was very poor. The main advantage of aluminum alloy windows with breakaway bridges is their excellent thermal insulation properties; even when the outdoor temperature is very high, this heat does not penetrate into the interior through the windows. Differences between plastic-steel windows and aluminum alloy windows with thermal break structures: First, wind pressure resistance. As we all know, although plastic-steel windows have a steel core inside, these cores are not connected to each other, which reduces their wind pressure resistance significantly. Therefore, in terms of wind pressure resistance, aluminum alloy windows with thermal break structures are superior! Second: water tightness ； The water resistance of a window is key to determining whether it will leak; remember that leaks can cause water to accumulate inside the room. Plastic-steel windows do not have good water resistance; their design causes them to bulge inward, which can lead to water accumulation. In contrast, aluminum windows with broken bridges do not suffer from this problem. Third: airtightness ； The biggest fear is cold air getting in through the windows in the dead of winter, causing the indoor temperature to drop. This problem doesn’t exist with plastic-steel windows, as they are welded together, leaving no gaps at all. Although broken-bridge aluminum alloy windows are relatively easy to install, the bolted connection method can lead to air leakage. Both materials are the result of research and innovation; although they have some drawbacks, they are overall very excellent materials. There are many aspects to consider in a chemical plant; these can be determined based on fire protection requirements such as the fire resistance rating (explosion protection rating) of the buildings within the plant, as well as other safety requirements.
Depending on your on-site conditions, keep in mind that certain media cannot be used with aluminum alloy doors and windows
It seems this is the right question to ask – what types of media are not suitable for aluminum alloy doors and windows?
Oh, aluminum alloy doors and windows with thermal break technology are the ones that prevent heat bridges
“In the name of \"broken bridge aluminum,\" the term \"bridge\" refers to the \"thermal bridge\" in material science, while the word \"broken\" denotes the action of \"breaking that thermal bridge.\" Specifically, since aluminum alloy is a metal with good thermal conductivity, when there is a large difference between indoor and outdoor temperatures, it can act as a \"bridge\" for heat transfer. When such materials are used to make doors and windows, their insulation properties are poor. Broken bridge aluminum involves splitting the aluminum alloy in half, and then using a rigid plastic to join the two halves together. We know that plastics conduct heat much more slowly than metals, which means heat has difficulty spreading through the material; as a result, the material’s insulating properties improve. This is how the name \"broken bridge aluminum (alloy)\\" came about.
Which specialty determines the selection of doors and windows? Civil engineering? HVAC or fire protection?
I’ve read all that above but still can’t grasp the key point. The original poster is asking about chemical plants and the issue of acid and alkali corrosion. Plastic-steel doors and windows are definitely the better choice. Are aesthetics, wind resistance, and heat insulation important?