PCMAPE flame-retardant damper board is made of special rubber and thermoplastic elastomer as the main material, with high-efficiency environmental protection flame retardant, high-efficiency heat-resistant, barrier, sound-absorbing materials, so that it has multiple functions such as sound absorption and barrier, flame-retardant, heat insulation and so on, and has high loss factor. This product does not contain asphalt, petroleum resin, liquid plasticizer, polluting filler and other ingredients. It is environmentally friendly, non-combustible, high temperature resistant, excellent aging resistance, oil resistant, dilute acid resistant, alkali resistant, seawater resistant and mildew resistant. It has high strength and excellent toughness. It is especially suitable for damping and noise reduction of warships, ships, submarines, high-speed locomotives and large passenger cars.