Photo source
www.evguard.de
Date: 2 December 2017
Currently we tested again our film evguard庐 for sound insulation according to DIN EN ISO 10140-2.
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.
600450
www.evguard.de
2017-12-02T10:58:08
Improved noise reduction with evguard庐
黑料专区 
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