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Jiuzhi Plastics Network
Foams are high molecular material dispersed in a large volume of gas micropores in the form of solid plastic, having a light weight, heat insulation, sound absorption, shock absorption characteristics, and is superior to the dielectric properties of the matrix resin, is widely used. It has been used as a thermal insulation material for decades in foreign countries and has developed rapidly in recent years in China. As the decoration, decoration and board of thermal insulation board and cold storage board, the most important performance requirement is to have good thermal insulation ability.
Traditionally used as insulation materials for walls and roofs, etc., all use aerated concrete blocks, perlite, vermiculite concrete, glass wool, etc., but because of the high density of these materials, they are easy to absorb water, and the heat insulation effect is obvious after water absorption. Falling, flawless is not ideal for performance and construction requirements. Some foams (such as pvc, PS, PU, ​​etc.) are excellent thermal insulation materials, especially foam boards and foam sandwich panels of various thicknesses, which are more conducive to use in buildings.
It not only reduces the building's own weight, but also facilitates construction and energy conservation. It is widely used as thermal insulation materials for cold storage, roofing, walls, floors, pipelines and vehicles. When foam is used as a wall insulation layer, there are two forms of use. One is to use a foam board on the inner wall surface, and then decorate the foam board with a plaster, a film, a sticker or a paint. This kind of internal thermal insulation composite technology is used more in buildings with high heat preservation requirements; the other is used as insulation sandwich panels, using metal plates (steel plates, aluminum plates, coated steel plates, etc.) or non-metal plates (glass plates, Plastic board, fiberboard, asbestos board, etc. are used as the surface layer, and the sandwich panel is made of foam plastic as the core layer, and assembled on the construction site. Such sandwich panels are also commonly used as wall materials for simple buildings and temporary buildings, and are also filled with foam sheets between concrete slabs for thermal insulation purposes. Reducing the building's own weight and increasing the degree of assembly and prefabrication is one of the development trends of modern building technology. Composite sandwich panel This light panel Frame structure is a new structural system that adapts to this trend. It is light in weight and can meet the architectural functions required as a wall. It is an ideal wall material for framed buildings. The basic structure of the sandwich panel is composed of a facing panel and a core material. The facing board imparts strength, waterproof, enveloping and decorative functions to the sandwich panel, such as colored steel sheets, aluminum sheets and asbestos cement boards, gypsum boards, etc., which can be used as the facing sheets. The core material imparts insulation and sound insulation to the sandwich panel and increases strength.