
Date: 2 December 2017
With a laminated glass structure 44.2 (two panes of 4 mm thick glass and a layer of 0.760 mm EVA), an airborne sound insulation index of 37 dB was achieved - without additional soundproofing layers.


Date: 2 December 2017
With a laminated glass structure 44.2 (two panes of 4 mm thick glass and a layer of 0.760 mm EVA), an airborne sound insulation index of 37 dB was achieved - without additional soundproofing layers.
25F, Huarun Mansion A, 6 Shandong Road, Qingdao, PR China
Qingdao Shi
Shandong Sheng, 266071
China
No. 20 Binhe Road, High-tech Development Zone,
Luolong Qu
Luoyang Shi
Henan Sheng, 471003
China
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