Sound absorbing insulation materials i.e. mineral wool/ rockwool, etc. should be wrapped with acoustic transparent cloth i.e. marglass or equivalent + perforated galvanised sheet for sound absorption effect.
Sound absorbing insulation materials i.e. mineral wool/ rockwool, etc. should be wrapped with acoustic transparent cloth i.e. marglass or equivalent + perforated galvanised sheet for sound absorption effect.
吸音(隔音)绝缘材料如矿棉/岩棉等,为有效吸音应包覆声学透气布如云母玻璃布或等效材料 + 多孔镀锌铁皮.
这是我的理解。
PS:矿棉现在已经禁用了。