Polyurethane sandwich panels, polyurethane composite panels and PU panels are popular terms. Strictly speaking, they should be called polyurethane insulation sandwich panels for construction. The national standard is GB/T 23932-2009.
The product is made of polyurethane rigid foam as insulation layer of bimetal, single metal and non-metal composite plate, which is usually used in industrial plant, logistics warehouse, integrated house wall and roof enclosure system.
As a multifunctional material, polyurethane rigid foam has been widely used in various fields.
Polyurethane rigid foam not only has excellent thermal insulation, but also has good mechanical strength and good bonding performance. The sandwich board can be made by tightly connecting with the surface material.
With the increase of global energy consumption, the greenhouse effect caused by carbon dioxide has become a hot topic in the world, especially in industrial countries.
At present, a major trend in the construction industry is to use thermal insulation materials in civil and industrial buildings, so as to reduce heating energy consumption.
If the thermal conductivity of the insulation material is high, the thickness of the plate must be increased. Compared with other materials, polyurethane rigid foam has the best thermal insulation performance, so the required thickness of the sheet is the thinnest. That is to say, with the same shape and size, we can make the polyurethane sandwich board have more space to use.
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