Discoloration and discoloration:
The Improper selection of the aluminum composite panel would cause discoloration and discoloration. The aluminum composite material are divided into indoor panels and outdoor panels. The surface coatings of the two panels are different, which determines the different occasions for which they are applicable. The surface of the board used in the room is usually coated with a resin coating. This coating can not adapt to the harsh outdoor environment. If it is used outdoors, it will naturally accelerate its aging process and cause discoloration and discoloration. The surface coating of the outdoor panel is generally coated with a fluorocarbon resin which is resistant to aging and ultraviolet rays, and the panel is expensive. Some construction units deceive the owners and use the plates used for indoor use as anti-aging and anti-corrosion high-quality fluorocarbon plates to extract unreasonable profits, thus causing serious discoloration and discoloration of the aluminum plates used in the project.

Peeling off
The opening and peeling of the Aluminum composite material is mainly due to the improper selection of the adhesive. As an ideal adhesive for outdoor aluminum cladding engineering, silicone rubber has unique advantages. In the past, China's silicone rubber relied mainly on imports, and its value has made many people discouraged. Only those high-rise buildings with expensive curtain wall projects dare to pay attention. Now, China's Zhengzhou, Guangdong, Hangzhou and other places have successively put into production different brands of silicone rubber, causing prices to fall. Now, when buying ACP, the seller will recommend the special quick-drying glue. This kind of glue can be used indoors, and it is used in the outdoor environment where the climate change is impermanent, and the phenomenon of opening and degumming of the board occurs.

3. Deformation and drumming on the surface:
There are many reasons for the deformation and drumming of the surface of the panel. In the past, during the construction, this quality problem occurred. We thought it was the quality reason of the board itself. Later, after a concentrated analysis, we found that the main problem was on the base sheet of the aluminum composite board, followed by the ACP. The quality of the board itself. Dealers often provide us with the construction process of acp. The recommended base materials are mainly high-density boards, wood boards and the like. In fact, when such materials are used outdoors, their service life is very fragile. After being blown by the wind, sun, and rain, deformation is inevitable. Since the base material is deformed, what is the deformation of the ACP as the surface layer? It can be seen that the ideal outdoor base material should be rust-proofed, and the angle steel and square steel tube are formed into a skeleton. If conditions permit, it is more desirable to use aluminum profiles as the skeleton.

The skeleton made of this kind of metal material is not much higher than the wooden keel and high-density board, which can ensure the quality of the project.

Aluminum composite panel must be neat:
When the ACP is used to decorate the surface of the building, there is generally a gap between the plates. For the sake of aesthetics, it is common to fill the gap with a black sealant. In order to save time, some construction workers do not need paper tape to ensure the tidy and regular glue, but use the protective film on the surface of the ACP as a substitute. Since the protective film will have different degrees of tearing when the ACP is being cut, it is impossible to use the adhesive tape as a substitute for the protective tape.

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