Sound absorbing article
作者： Arie Sheffer
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摘要: A sound absorbing article (10), which may be formed to a thickness of between 1 and 2 mm have an NRC value 0.8 0.85, is provided. Additionally, the (10) materials, are flame retardant environmentally friendly. The includes: (i) material (12) pervious air, characterized by proximal distal surfaces (14, 16) with respect source (15), internal structure (18), specific weight; (ii) coating (20) adheres thus increasing weight predetermined factor; preferably (iii) membrane (22), attached at selected bonding points (26), forming interconnected channels (28) allowing air pass through them.
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