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Sound - absorbing gypsum board how to choose

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Sound-absorbing perforated gypsum board is sound-absorbing perforated gypsum plaster board and sound-absorbing perforated gypsum board collectively. Gypsum board itself is not a prominent feature of sound-absorbing material, punching punching in the board surface, so that each hole with the air behind the formation of resonance absorption structure. In order to prevent the debris through the perforated scattered, usually in the back of the board paste a layer of film material (such as crepe paper, mulberry paper, porous glass cloth, etc.), plays a membrane resonance absorption. If you then install some porous sound-absorbing material (such as glass wool, mineral wool, foam, etc.), can further improve the sound absorption effect, especially for high-frequency absorption. Therefore, in the selection, the first should consider its sound-absorbing function, followed by its size should also be made to choose the color and pattern.

As the sound-absorbing perforated gypsum board is the use of the board of the blind hole, through the hole and the back of the sound-absorbing material, as well as a certain thickness of the captive carving patterns to the common sound absorption effect, so the holes, materials and painted carving and other components , Sound absorption effect will be different. For general sound absorption requirements of the building, the choice of decorative plaster sound absorption plate; for sound absorption requirements, should choose a good sound absorption perforated gypsum board, perforated plate can also be used overlay overlay.

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