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This product is a kind of polymer rubber-plastic composite material, which adopts micro-nano composite technology. This material is a composed of multi-layer structure. It is attenunated by the multi-layer reflection produced by acoustic wave through the layed interface of different characteristic imdepance. It has supperior sound insulation performance, can effectively reduce the propagation of noise, and the product can meet a variety of fire prevention standards at the same time.
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