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What are the indoor sound insulation materials?
There are many kinds of indoor sound insulation materials. This paper will introduce several common sound insulation materials and their characteristics.

fibre material

Fiber materials, such as glass wool, hemp wool felt, organic fiber materials, rock wool, mineral wool, etc. Sound insulation is achieved by sound absorption and sound insulation.

plate material

Gypsum board, asbestos cement, plywood, steel plate, aluminum plate, hard fiberboard and other plates achieve sound insulation effect through vibration and attraction.

Flexible material

Leather, plastic film, artificial leather and other materials with strong air tightness, strong stretching ability and softness can effectively block the spread of sound through the * * * vibration frequency of sound.

Sound absorbing and insulating material

Gypsum board, hardboard, etc. The periphery of the plate can be fixed and then communicated with the closed air layer behind the plate, so as to achieve the sound absorption and sound insulation effect.

Curtains and sound absorbers

Curtains and space absorbers with special functions are also a kind of indoor sound insulation materials.