Seamless Acoustic Sound Absorption Board

Seamless Acoustic Sound Absorption Board

The Seamless Acoustic Sound Absorption Board is composed of light sand and a sound-absorbing coating. It is also known as a sandstone sound absorption board or a particulate sound absorption board.

Size:  1200 * 600 mm
Thickness:  8mm~25mm
Color: Solid color, Wood grain color
Texture: Flat, Rough, Marble
Installation: Seamless installation

Seamless Acoustic Sound Absorption Board - Enhance Room Acoustics

Seamless Acoustic Sound Absorption Board has become the silent guardian of public space with its excellent sound absorption and noise reduction ability. From the rush of people in the subway station to the busy transfer of high-speed rail stations, and then to the vast waiting area of the terminal, the seamless sandstone acoustic panel creates a more peaceful and comfortable waiting environment for passengers with its excellent performance of fire prevention, environmental protection, and formaldehyde free. Customized production services, so that each sheet can accurately match the space needs, to achieve the dual improvement of function and aesthetics.

Sandstone & Seamless Acoustic Panels- Perfect for Exhibition Hall Sandstone & Seamless Acoustic Panels- Perfect for Government Hall Sandstone & Seamless Acoustic Panels- Perfect for Museum Sandstone & Seamless Acoustic Panels- Perfect for Natatorium Sandstone & Seamless Acoustic Panels- Perfect for Reception Hall Sandstone & Seamless Acoustic Panels- Perfect for Subway Station Sandstone & Seamless Acoustic Panels- Perfect for Tunnel

Performance Parameters

Test Items (Test Standards) Test Results
Combustion Performance (GB 8624-2012) A (A2-S1, d0, t0) non-flammable
Formaldehyde Emission (GB 18580-2017) ≤0.124
Compound Release (HJ 571-2010) 0.025 /(㎡·h)
Material Density (GB/T 5486-20088) 1372 kg/m³
Wet Expansion (GB/T 7019-2014) 0.05%
Compressive Strength (GB/T 50081-2002) 24.4 Mpa
Flexural Strength (GB/T 7019-2014) 7 Mpa
Frost Resistance (JC/T 2185-2013(2017)) No delamination, no cracking, no damage
Water Absorption Thickness Expansion Rate (GB/T 17657-2013) 0.04%
The Mass Water Absorption Rate (GB/T 5486-20089) 2.3%
Water Resistance (GB/T 1733-1993) No delamination, no cracking, no damage
Alkali Resistance (GB/T 9265-2009) No delamination, no cracking, no damage
Radioactivity (GB 6566-2010) Internal irradiation index IRa≤ 0.1
Radioactivity (GB 6566-2010) External irradiation index Ir ≤ 0.2
Thermal Conductivity (GB/T 10294-2008) 0.15W/(m·k)
Sound Absorption Performance (GB/T 20247-2006) NRC 0.65~0.95

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