SONEXone™
Product Specifications

Material: Open cell willtec®
Surface Pattern: Sculpted surface scatters and deflects sound waves; anechoic wedges increase sound-absorbing surface area.
Density: 0.7 lb/cubic ft
Tensile Strength: 8 PSI
Flammability: ASTM E 84 Class 1
Flame Spread: Natural - 5;  Painted - 10; Hypalon - 25
Smoke Density: Natural - 45; Painted - 10; Hypalon - 185
The data and information shown are average values in test environments which may vary and do not constitute a guarantee of performance.  Testing is recommended before actual use.
Hypalon® is a registered trademark of the Dupont Company.


Sound absorption coefficients
Type B and A Mountings ASTM C423-90a

125 Hz 250 Hz 500 Hz 1K Hz 2K Hz 4K Hz NRC
B 2" Natural 0.11 0.33 0.85 1.05 1.09 1.00 0.85
B 2" Hypalon 0.18 0.41 1.02 1.18 1.18 1.13 0.95
B 2" Painted 0.07 0.37 0.89 1.05 1.04 1.03 0.85
A 3" Natural 0.00 0.63 1.20 1.18 1.12 1.05 0.85
A 3" Hypalon 0.13 0.85 1.25 1.22 1.13 1.14 1.10
A 3" Painted 0.15 0.72 1.21 1.20 1.15 1.13 1.05


Sound Absorption coefficients

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