|
PHYSICAL
DATA |
| Material |
Wet - Formed Mineral
Fiber |
| Surface Finish |
Factory applied Vinyl
Latex Paint |
| Color |
White |
| Light Reflectance |
0.83 |
| Sizes |
24" x 24" x
5/8" (3594)
24" x 48" x 5/8" (3590) |
| Weight |
0.70 lbs/SF (3.43 kgs./m2)
for 3594
0.58 lbs/SF (2.81 kgs./m2) for 3590 |
| Edge Detail |
Beveled Regular for
3594
Square Lay-in for 3590 |
| Recommended Armstrong
Suspension System |
Prelude
XL 15/16" (24mm) Exposed Tee grid systems
Sufrafine 9/16" (15mm) Exposed Tee grid systems
Other Armstrong sophisticated suspension systems |
| NRC |
0.55 |
| CAC |
35 |
| Surface Burning
Characteristics |
Class A:
Flame Spread 25 or under BS476 part 6 & 7 Class 0/Class 1
AS1530.3 |
| Fire Resistance Rating |
Class A |
| Insulation Value |
R Factor - 1.6 (BTU
Units)
R Factor - 0.28 (Watts Units) |
| ASTM E 1264
Classification |
Type III, Form
2, Pattern C E |