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GeoFoam (Expanded Polystyrene) Rigid Foam
Typical Physical Properties
Jump to: EPS Insulation | Architectural
Shapes | Holey-Board |
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Specification Reference:
ASTM C578-10, ASTM D1621-04, and ASTM D6817-07 |
PROPERTY |
UNITS
|
ASTM Test
|
EPS 15
|
EPS 19
|
EPS 22
|
EPS 29
|
| Density, minimum |
lb/ft3 |
D 303 or
D 1622 |
0.90 |
1.15 |
1.35 |
1.80 |
| Density Range |
lb/ft3 |
|
0.90 - 1.14 |
1.15-1.34 |
1.35-1.79 |
1.80-2.20 |
| Compressive 1% Deformation: (Minimum*) |
lb/in2 |
D 1621 |
>3.6 |
>5.8 |
>7.30 |
>13.00 |
>
| Compressive 5% Deformation: Actual (Minimum) |
lb/in2 |
D 1621 |
>8.0 |
>13.1 |
>21.50 |
>26.50 |
| Compressive 10% Deformation: Actual (Minimum) |
lb/in2 |
D 1621 |
>10.2 |
>16.0 |
>24.20 |
>29.70 |
| Flexural Strength |
lb/in2 |
C 203 |
>25.0 |
>30.0 |
>40.0 |
>50.0 |
| Modulus of Elasticity |
lb/in2 |
--- |
360 |
580 |
730 |
1090 |
| Water Absorption (vol.) |
% |
C 272 |
< 4.0 |
< 3.0 |
< 3.0 |
< 2.0 |
| Oxygen Index |
% |
D 2863 |
24.0 |
24.0 |
24.0 |
24.0 |
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* "minimum" for GeoFoam per ASTM D6817
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