What brands of sound absorbing boards are there?
1, star brand Usg. China mineral wool suspended ceiling leader, the world's leading supplier of mineral wool suspended ceiling system, a well-known brand in earthquake-resistant keel industry, and Xingpai Youshiji Building Materials Co., Ltd.
2. Dragon brand. 1979, Beijing famous trademark, large gypsum board industry group, complete solution supplier of energy-saving and environmental protection new building materials, Beixin Group Building Materials Co., Ltd.
Armstrong. Armstrong. Armstrong (China) Investment Co., Ltd. was established in the United States 1860. It is a large multinational enterprise and a large-scale manufacturer of mineral wool sound-absorbing ceiling and non-directional elastic floor in the United States.
4.Gyproc edin Zhe Ke. Saint-Gobain Gypsum Building Materials (Shanghai) Co., Ltd., founded in 19 15 France, is a global leader in gypsum building materials industry and one of the largest building materials manufacturers in the world.
5. knauf. Kneff New Building System (Tianjin) Co., Ltd. was established in Germany 1932. It is the world's leading manufacturer of building systems and green building materials and the leading brand of international gypsum board.
6. Bai Jiali Bergli. Focus on the research and development and production of architectural acoustic materials, a well-known manufacturer of polyester fiber materials, Baijiali Acoustic Science and Technology Materials (Suzhou) Co., Ltd.
7.UsgBoral Youshi Giboreau。 Established by Boluo Group and Youshiji Group, it is the leading enterprise of gypsum board/masonry and roofing system, and the global building materials company Youshijibono Gypsum Building Materials (Shanghai) Co., Ltd.
8. Beiyang. An earlier domestic enterprise specializing in the production of sound-absorbing decorative materials has a high reputation in the glass fiber sound-absorbing ceiling industry, and is a well-known brand, Changzhou Beiyang Building Materials Co., Ltd.
Main points of purchasing sound-absorbing board
1, sound-absorbing board is different from ordinary doors and windows in material selection and technology. The materials and profiles used for the sound-absorbing board with high sound absorption volume can only be finally determined after repeated trials and tests. Manufacturers should have technical and engineering achievements in producing sound-absorbing boards, and visit each other's engineering samples when necessary.
2. Recently, some manufacturers in the market have adopted the technology of three-layer glass and two-layer cavity to improve the sound absorption of doors and windows. The sound absorption is not obvious after the test. Experts from Tsinghua University Building Physical Environment Testing Center believe that insulating glass should have sufficient mass density and large air sound absorption layer. If the mass density is constant, the change of air sound absorption layer will inevitably affect its sound absorption. The addition of the third piece of glass interferes with the air sound absorption performance of the hollow glass cavity, and the sound absorption decreases. It is suggested that this process should not be used when selecting sound absorption board.
3. The sound absorption test report of qualified units required by the manufacturer mainly includes the Building Physics Testing Center of the Ministry of Construction and the Institute of Acoustics of Tongji University. Understand the sound absorption of doors and windows. According to their own economic situation and actual needs, the higher the sound absorption, the higher the price of sound-absorbing board. But the sound absorption capacity should not be less than 30dB.
It is also one of the key parts to know how to choose the sound-absorbing board, and its brand is also one of the most important parts. The above is the brand and purchase points of the sound-absorbing board introduced by Bian Xiao today, which ends here.