Generally, the color steel sandwich panels for buildings are based on hot-dip galvanized steel sheets and hot-dip molybdenum zinc coated steel sheets. After being processed into corrugated boards or pu sandwich panels, they are used to build roofs, walls, doors, etc. of industrial and commercial buildings such as steel structure plants, hangars, warehouses, freezers, etc.
In order to improve the safety of buildings, pu sandwich panels are mainly made of polyurethane. Pu sandwich panel can play a good role in fire protection. During the production process, interlayer will be set in the pu panel, which can not only play the advantages of polyurethane panels, but also play a sound insulation role. Special processing methods and formulas are adopted when making PU sandwich panels, so the panels have good fire resistance after fabrication, and can withstand more than 800 degrees of flame.
In the past, although the building materials selected in the construction project can also achieve good protection effect, the fire resistance of most materials is not enough. Once the building fires, it is difficult to fire retardant. The introduction and application of sandwich panels effectively solve these problems.
The installation and use of polyurethane sandwich panels can also play a very good insulation effect. The insulation effect of this kind of board is very outstanding. In winter, it can play a very good role in heat preservation. Compared with ordinary buildings, the indoor temperature standard of buildings constructed with this pu sandwich panel can be effectively improved. Therefore, this material will be mainly used for the construction in the northern cold regions, and the actual application of plates will also make up for the shortage of other building materials.
The installation and construction of pu sandwich panels can also avoid noise interference, because the sandwich panels can effectively block noise and have a good sound insulation effect. Because of these advantages, polyurethane sandwich panels are used more widely.
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