Outdoor Acoustics Protection Polyurea

All-weather outdoor waterproofing speaker is a kind of speaker which implements waterproofing technology and sprays polyurea waterproofing paint on the basis of traditional professional speaker, so as to be suitable for outdoor performance and music fountain system in relatively humid, watery and rainy environment. Linotaike polyurea waterproof speaker environment: large outdoor performances, square music fountain after several years of exhibition preheating and market promotion, more and more speaker manufacturers choose Sandwood QECH-416 series of high-grade speaker decoration materials. The material was successfully developed in 2011 by the R&D team led by Professor Huang microwave of Qingdao University of Technology, the founder of polyurea technology in China. It completely got rid of the old design concept of SPUA-* series 10 years ago, and was prepared by Michael addition reaction using the latest design principle of polymer structure. In 2012, the speaker market was officially launched. Its strength, flexibility, fast drying, three-dimensional sense, fullness, adhesion, climate adaptability and other comprehensive indicators are far more than a foreign brand, and are increasingly being used in large quantities by domestic users.

◎Physical Properties

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