H-shaped steel column sound barrier Viaduct sound absorption screen folding arm sound insulation wall Maya factory

brand	Mia	model
material quality	Galvanized plate, aluminum plate, color steel plate, stainless steel plate, iron plate, 5+5 tempered adhesive glass, glass acrylic, PC endurance plate, etc	size
colour	green	weight	sixteen
surface treatment	Baking paint	Processing customization	support
Imported or not	no	Volume isolation	25-40 decibels
Sound absorption coefficient	0.7-0.83	purpose	Sound insulation and noise reduction measures for highways, elevated roads, factory boundaries, mechanical equipment, central air conditioning, fan cooling towers, etc