| Meets Class A Surface Burning Characteristics
per ASTM E84 |
| Flame Spread |
15 |
| Smoke Developed |
5 |
| (Based on 3/8" thickness) |
| Density (range) |
22-24 lb./ft.³ |
| Weight (range) |
750-800 lbs./msf |
| Modulus of Rupture |
300-400 lb./in.² |
| Modulus of Elasticity |
40,000-50,000 lb./in.² |
Tensile Strength
Parallel to surface |
150-175 lb./in.² |
|
Tensile Strength
Perpendicular to Surface |
18-21 lb./in.² |
| Hardness (Janka Ball) |
56 lbs. |
Hygrometric Expansion
from 50% to 90% R.H. |
0.1% |
Thermal Conductivity
k Factor
c Factor |
0.43
fs 1.15 |
|
Sizes
Thickness: 1/2" and 3/4 " |
Tolerances: thickness + 1/64" (0.16)
width and length (per ft.) + 1/64" (0.16). |
| Finish: Prime coated one side |
|
| Underwriters Laboratories Inc. classified surface burning
characteristic (File No. MH 12064), recognized component for category of miscellaneous
heating and cooling appliance accessories (DFCV2). |
| Acoustical Performance (1) |
| Frequency-Hz |
| Product |
125 |
250 |
500 |
1000 |
2000 |
4000 |
NRC |
| CV-2301/2" |
.04 |
.12 |
.30 |
.35 |
.32 |
.46 |
.25 |
| CV-2303/4" |
.14 |
.18 |
.31 |
.36 |
.41 |
.46 |
.30 |
|
| (1) |
Test performed by Riverband Acoustical Laboratories in
accordance with ASTM C423-81 and E795. Based on micro perforated product only. |
|
|
