|
Urethane
Technical Information
| Physical
Properties |
Test
Method |
Results |
| Solids
by Weight |
ASTM
D 1353 |
100% |
| Temperature
Limitations |
ASTM
D 497 |
30
F to 180 F |
| Tensile
Strength |
ASTM
D638 |
3350
PSI |
| Elongation |
ASTM
D 638 |
8.00
% |
| Flexural
Strength |
ASTM
790 |
6600 |
| Flexural
Modulus |
ASTM
790 |
210.000
PSI |
| Gardner
Impact |
ASTM
D 3029
77 F
-40 F |
120 in/lb
35 irdib |
| Heat
Deflection @66 psi |
ASTM
D648 |
85F |
| Comprehensive
Strength At 10% Deflection |
ASTM
D 695 |
4500PSI |
| Abrasion
Resistance |
ASTM D 1242
Method A, 1 000
Revolutions,
10 lb load number 80 TP
aluminum oxide grit
thickness loss in MILS 7.1
percentage thickness loss 3 |
. |
| UV
Resistance |
protect
with approved coating |
. |
| Surface
Burning Characteristics |
ASTM E84-9 a |
. |
| Flame
spread |
30 |
. |
| Smoke
index |
450
|
. |
Expanded
Polystyrene Technical Information
| Property |
Units |
ASTM
Test |
. |
. |
. |
. |
| Density |
pcf |
D1622 |
0.75 |
1 |
1.25 |
1.5 |
| Thermal
Conductivity at 40F |
BTU/hr
C518 |
. |
0.28
|
0.24
|
0.23 |
0.22 |
| (k
Factor) at 75F |
(sq.ft.)(F/in.) |
. |
0.3 |
0.26 |
0.25 |
0.24 |
| Thermal
Resistance at 40F |
"at
1""" |
. |
3.6
|
4.17 |
4.25 |
4.55 |
| (R
Value) at 75F |
thickness |
. |
3.3
|
3.85
|
3.92 |
4.17 |
| Strength
Properties |
| Compressive
10% Deformation |
psi |
D1621 |
5-9
|
10-14
|
13-18
|
15-21 |
| Flexural
|
psi |
C203 |
10-18
|
25-30 |
32-38 |
40-50 |
| Tensile |
psi |
D1623 |
14-18
|
16-20 |
17-21 |
18-22 |
| Shear |
psi |
D732 |
11-13
|
18-22 |
23-25 |
26-32 |
| Shear
Modulus |
psi |
. |
190-230
|
280-320 |
370-410
|
460-500 |
| Modulus
of Elasticity |
psi |
. |
110-150
|
180-220 |
250-310
|
320-360 |
| Moisture
Resistance |
| WVT |
perm.
In |
E96
(Proc.A) |
1.9-3.9
|
1.2-3.0 |
1.1-2.8 |
0.9-2.5 |
| Absorption
(vol.) |
% |
C272 |
<4.0
|
<3.5 |
<3.0 |
<3.0 |
| Capillarity |
--- |
--- |
none |
none |
none |
none |
| |
| Coefficient
of Thermal Expansion |
in./(in.)(F) |
D696 |
0.0000035
|
0.000035 |
0.000035 |
0.0000035 |
| Maximum
Service Temperature |
°F |
. |
. |
. |
. |
. |
| Long-term |
. |
. |
167 |
167 |
167 |
167 |
| Intermittent |
. |
. |
180 |
180 |
180 |
180 |
| Oxygen
Index |
% |
D2863 |
30.4 |
30.4 |
30.4 |
30.4 |
| Dimensional
|
% |
D2126 |
max. |
max. |
max. |
max. |
| Stability
|
Change |
(proc.C&E) |
2 |
2 |
2 |
2 |
|
