Material |
Open-cell melamine-based foam |
Density | 0.5 to 0.7 lbs./cubic ft. (ASTM D3574-77) |
Long-Term Service Temperature | 302¡Æ 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¢ç-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 |
Sabins per Baffle per ASTM C423-90a |
||||||
125Hz | 250Hz | 500Hz | 1kHz | 2kHz | 4kHz | Average | ||
Natural (white and light grey) |
3" | 2.3 | 5.7 | 10.5 | 15.3 | 18.6 | 24.8 | 12.9 |
Painted (charcoal, beige, brown or blue) |
3" | 1.1 | 4.2 | 12.5 | 20.9 | 22.8 | 21.6 | 15.1 |
Hypalon-coated (black, grey, white or almond) |
3" | .076 | 3.96 | 10.92 | 18.2 | 18.45 | 18.05 | 12.9 |