R-Control EPS Properties |
Property |
Type
XI |
Type
I |
Type
VIII |
Type
II |
Type
IX |
| Nominal Density, lb/ft3 (kg/m3) |
0.75
(12) |
1.00
(16) |
1.25
(20) |
1.50
(24) |
2.00
(32) |
| Density, min., lb/ft3 (kg/m3) |
0.70
(12) |
0.90
(15) |
1.15
(18) |
1.35
(22) |
1.80
(29) |
Design Thermal Resistance
per 1.0in. thickness
°F.ft2.h/Btu (°K.m2/W) |
75°
40° |
3.22
(0.57)
3.43
(0.60) |
3.85
(0.68)
4.17
(0.73) |
3.92
(0.69)
4.25
(0.75) |
4.17
(0.73)
4.55
(0.80) |
4.35
(0.77)
4.76
(0.84) |
Thermal Resistanc, min.,
per 1.0in. thickness
°F.ft2.h/Btu (°K.m2/W) |
75°
40° |
3.10
(0.55)
3.30
(0.58) |
3.60
(0.63)
4.00
(0.70) |
3.80
(0.67)
4.20
(0.74) |
4.00
(0.70)
4.40
(0.77) |
4.20
(0.74)
4.60
(0.81) |
| Compressive strength @10% def., min., psi (kPa) |
5.0
(35) |
10.0
(69) |
13.0
(90) |
15.0
(104) |
25.0
(173) |
| Flexural strength, min., pci (kPa) |
10.0
(69) |
25.0
(173) |
30.0
(208) |
40.0
(276) |
50.0
(345) |
| Water Vapor Permeance of 1.0in. thickness, max perm |
5.0 |
5.0 |
3.5 |
3.5 |
2.0 |
| Water Absorption by total immersion, max., volume% |
4.0 |
4.0 |
3.0 |
3.0 |
2.0 |
| Oxygen Index min., volume% |
24.0 |
24.0 |
24.0 |
24.0 |
24.0 |
| Flame Spread |
20 |
20 |
20 |
20 |
20 |
| Smoke Developed |
150-300 |
150-300 |
150-300 |
150-300 |
150-300 |
|
