Good sound-insulated Performance : The thick insulation laminated glass used in the middle membrane.Blocking noise level of 30 decibels or above.will be entirely up to the road block to 80 dB noise level of 50 dB below the quiet room.
英
美
- 隔音性能好:夹层玻璃使用较厚的中间膜时,阻隔噪音达30分贝以上,完全可将马路上高达80分贝的噪音阻隔至50分贝以下安静室内的程度。