Table 1. Physical Property Requirements of RCPS Geofoam
*The listed values for compression resistance refer to test results on 50mm (2 inch) cubical samples subjected to loading at a strain rate of 10% per minute per D 1621. Other sample sizes and strain rates may yield different results.
| Type |
EPS12 |
EPS15 |
EPS19 |
EPS22 |
EPS29 |
|
Density, min, kg/m3 (lb./ft3 |
11.2
(0.70) |
14.4
(0.90) |
18.4
(1.15) |
21.6
(1.35) |
28.8
(1.80) |
|
* Compressive Strength, min., kPa (psi) @10% |
34
(5) |
69
(10) |
90
(13) |
103
(15) |
173
(25) |
|
* Compressive Modulus, min., kPa (psi) @ 1% |
2200
(319) |
3200
(464) |
4300
(624) |
5700
(827) |
8200
(1189) |
|
Flexural Strength, min., kPa (psi) |
69
(10) |
172
(25) |
207
(30) |
276
(40) |
345
(50) |
|
Oxygen index, min., volume % |
24 |
24 |
24 |
24 |
24 |
Table 2. Common Manufactured Dimensions of RCPS Geofoam
|
Dimension, mm(in) |
All EPS Types |
|
Width |
305 to 1219 (12 to 48)
|
|
Length |
1219 to 4877 (48 to 192) |
|
Thickness |
25 to 1219 ( 1 to 48) |
|