Solid Rigid Polyurethane Foam Properties

This closed cell polyurethane foam is most commonly used for testing screw pullout, insertion and stripping torque. Solid rigid polyurethane foam provides a uniform structure with only ±10% variation in density. Material properties cover a broad range of human bone qualities allowing you to select an appropriate density for your study. This closed cell foam conforms to ASTM F1839 “Standard Specification for Rigid Polyurethane Foam for Use as a Standard Material for Testing Orthopaedic Devices. Available Grades: 5, 10, 12, 15, 20, 25, 30, 35, 40, 50

DENSITY COMPRESSION TENSION SHEAR Shore D Hardness
ASTM D1622 Volume Fraction ASTM D1621 ASTM D1623 ASTM C273
(pcf) (g/cc) Strength (MPa) Modulus (MPa) Strength (MPa) Modulus (MPa) Strength (MPa) Modulus (MPa)
5* 0.08 0.07 0.6 16 1.0 32 .59 7.1 10
8 0.13 0.11 1.5 38 1.3 56 1.2 14 14
10* 0.16 0.14 2.2 58 2.1 86 1.6 19 15
12* 0.19 0.16 3.2 81 2.5 112 2.1 24 21
15* 0.24 0.20 4.9 123 3.7 173 2.8 33 25
17** 0.27 0.23 6.2 155 4.6 205 3.4 39 29
20* 0.32 0.27 8.4 210 5.6 284 4.3 49 35
25* 0.40 0.34 13 317 8.8 399 5.9 68 43
30* 0.48 0.41 18 445 12 592 7.6 87 55
35* 0.56 0.47 24 592 16 713 9.4 108 59
40* 0.64 0.54 31 759 19 1000 11 130 65
50* 0.80 0.68 48 1148 27 1469 16 178 85

*Solid rigid polyurethane foam meets ASTM F1839 material specification
**standard cancellous foam used in absolute™ bones

SOLID FOAM BLOCK TOLERANCES:
Foam density ±10%
Block dimensions ±2mm
Sheet thickness ±0.3mm