| Material | Open-cell melamine-based foam |
| Density | 0.5 to 0.7 lbs./cubic ft. (ASTM D3574-77) |
| Long-Term Service Temperature | 302° F |
| Fire Resistance | Class 1 per ASTM E 84 (all finishes) Meets UL 1715 (willtec natural ) |
| Flame Spread per ASTM E 84 | Natural: 5 Painted: 10 Hypalon-coated: 25 |
| Smoke Density per ASTM E 84 | Natural: 50 Painted: 10 Hypalon-coated: 65 |
| Microbial Growth | Passes UL 181, section 11 |
| Fungus Resistance | Rating 0 per ASTM G21 |
| Finishes | Natural (white and light grey), painted or Hypalon-coated |
| Finish | Thickness |
Coefficients per ASTM C423-90a |
|||||||
125Hz |
250Hz |
500Hz |
1kHz |
2kHz |
4kHz |
NRC |
Mounting Type |
||
| Natural(white and light grey) | 2" |
0.11 |
0.33 |
0.85 |
1.05 |
1.09 |
1.06 |
0.85 |
B |
3" |
0.09 |
0.68 |
1.20 |
1.18 |
1.12 |
1.05 |
1.05 |
A |
|
| Painted (charcoal,beige, brown or blue) | 2" |
0.07 |
0.37 |
0.89 |
1.05 |
1.04 |
1.03 |
0.85 |
B |
3" |
0.15 |
0.72 |
1.21 |
1.20 |
1.15 |
1.13 |
1.05 |
A |
|
| Hypalon-coated(black, grey, white or almond) | 2" |
0.13 |
0.41 |
1.02. |
1.18 |
1.18 |
1.13 |
0.95 |
B |
3" |
0.13 |
0.85 |
1.25 |
1.22 |
1.13 |
1.14 |
1.10 |
A |
|
