AS47-D
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Door size :W 800/900/1000, H 2000/2100, T 76mm
Frame :Aluminium 6063 T-5
Weight :80-100 kg.
Acoustic class :STC47 (ASTME90-99)
Panel details : 18-ga zinc galvanized steel damped with sound insulation
and absorption materials. Acoustically sealed with doubled
flexible silicone gaskets in all 3 sides of frame, and class-3
ADR automatic drop seal installed at the bottom.
Application : Lecture room, Concert hall, Music practice room
