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Sound insulation sound insulation principle
When the wavelength of the sound waves is smaller than the obstacle surface size, the sound waves can easily be reflected by the surface of the obstacle back to the sound source, and in the obstacles behind the formation of a sound image area. The reason why the sound insulation screen can sound, the reason is that it reflects the high-frequency sound back to the sound source, and in the back of the screen behind a "sound area", it seems like a summer umbrella, umbrella under the umbrella, In this "sound area", you can feel the noise was significantly weakened. Sound insulation barrier sound insulation effect, mainly depends on the frequency of the incident sound and the size of the barrier. The use of sound insulation screen for more than 2000HZ high frequency sound ratio of 800-1000HZ IF sound insulation effect is better; but for the frequency of less than 250HZ sound, because the wavelength of the sound wave is relatively long, easy to bypass the barrier, so the effect is not ideal!

Features
1. Attractive: a variety of colors and shapes are available;
2. Economic: modular production and fabricated construction can improve work efficiency, shorten the construction time and reduce the cost of the project;
3. Many types: there are blind sound-absorbing board, FRP sound-absorbing board and metal erforated sound absorbing board;
4. Practical: this product is made of new materials and new technologies, with good sound absorption effect and reducing noise pollution;
 5. Durable: this product has good water resistance, heat resistance, ultraviolet resistance and weather resistance.