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好心人解答下下水道隔音材料多少钱

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好心人解答下下水道隔音材料多少钱

浏览：48次 | 提问时间： 06-22 08:21

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3个答案

孤岛惊魂梦惊心 06-22 08:22

下水道隔音材料价格在120元左右，隔音材料在物理上有一定弹性，当声波入射时便激发振动在隔层内传播。当声波不是垂直入射，而是与隔层呈一角度θ入射时，声波波前依次到达隔层表面，而先到隔层的声波激发隔层内弯曲振动波沿隔层横向传播，若弯曲波传播速度与空气中声波渐次到达隔层表面的行进速度一致时，声波便加强弯曲波的振动，这一现象称吻合效应。这时弯曲波振动的辐度特别大，并向另一面空气中辐射声波的能量也特别大，从而降低隔音效果。

拽 06-22 08:30

100元左右。隔音毡是目前市场上比较好的房间隔音材料。主要用来与石膏板搭配，用于墙体隔音和吊顶隔音，也应用于管道、机械设备的隔音和阻尼减振。隔音毡不是毛毡，在外观上看完全不同，毛毡轻而柔软，而隔音毡薄薄的却很重。隔音毡由无味EPDM橡胶与十几种有机矿物质按照一定比例精制而成，产品为黑色，环保无异味，对低频和高频声音均有相当好的一种隔音材料，能有效地抑制各种振动的传播，该材料厚度有1mm，2mm，3mm不等，经国家建材局检测，计权隔音量Rw分别为23dB，27dB，30dB，材料的柔韧性也很好，可以随便弯曲，任意剪彩，施工非常方便并且防火的隔音材料。隔音毡具有以下优点：1.材料质轻，超薄；2.柔软，拉伸强度大；3.环保，不造成对环境的污染；4.抑制中低频声波的传播；卓越的阻燃性能；5.施工方便。聚酯纤维吸音板是一种理想的室内隔音材料。其原料100%的聚酯纤维，具有吸音、环保、阻燃、隔热、保温、防潮、防霉变、易除尘、易切割、可拼花、施工简便、稳定性好、抗冲击能力好、独立性好、性价比高等优点，有丰富多种的颜色可供选择，可满足不同风格和层次的吸音装饰需求。主要应用于影剧院、音乐厅、博物馆、展览馆、图书馆、审讯室、画廊、拍卖厅、体育馆、报告厅、多功能厅、酒店大堂、医院、商场、学校、琴房、会议室、演播室、录音室、KTV包房、酒吧、工业厂房、机房、家庭降噪等对声学环境要求较高及高档装修的场所。波峰吸音海绵的室内隔音材料，它是经过设备特殊处理形成一面凹凸波浪形状的一种海绵，其内部充满细小空隙及半开孔结构，能大量吸收射入的声波能量，对声波起到衰减作用，降低室内反射声的干扰和回响，提高声音的纯度。性能特点主要有：1、吸音率高2、隔热性好3、难燃级B1级4、结构紧密，形态稳定5、重量很轻，施工安全方便6、对人体无害，对环境无污染，无气味7、耐水，水浸后排水性强，吸音性能不下降，形态不变8、可以二次使用，销毁容易，对环境没有二次污染

久觅良人 06-22 08:39

我记得下水道隔音材料价格在120元左右,隔音材料在物理上有一定弹性,当声波入射时便激发振动在隔层内传播。波峰吸音棉对水流冲击管道的中低频噪声有着良好的吸收缓冲作用，外层的高密度隔音材料对辐射出的噪声有着良好的隔绝作用，通过波峰吸音棉和隔音材料的双重作用，将家庭管道辐射噪声降低25分贝，

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