Cellular rigid polyurethane foam has larger pores to resemble cancellous bone. Cell size ranges from 0.5 to 2.0mm diameter for this primarily closed cell foam. Variation in foam density is ±10% and is available in a range of densities from 0.12g/cc to 0.32 g/cc (7.5pcf to 20pcf).
Density |
Compression |
ASTM D1622 |
Volume Fraction |
ASTM D1621 |
(pcf) |
(g/cc) |
Strength (MPa) |
Modulus (MPa) |
7.5 |
0.12 |
0.10 |
1.4 |
12.4 |
10 |
0.16 |
0.14 |
2.3 |
23 |
12.5 |
0.20 |
0.17 |
3.9 |
47 |
15 |
0.24 |
0.20 |
4.1 |
68 |
20 |
0.32 |
0.27 |
5.4 |
137 |
FOAM BLOCK TOLERANCES: |
Foam density |
±10% |
Block dimensions |
±2mm |