Urethane Foam
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Property
Physical Properties
| Property | Test Method | Typical Values |
| Dimensional Stability (max), 97% RH
at -29°C at 80°C at 70°C |
ASTM D 2126 |
1.5-2.0 1.5-7.0 1.5-7.0 |
| Compressive Strength (min) | ASTM D 1621 procedure A | 140-170 kPa |
| Flexural Strength (min) | ASTM C 203 | 140-170 kPa |
| Tensile Strength (min) | ASTM 1623 | 175-210 kPa |
| Oven Aged Thermal Resistance (min), after 28 days at 100°C | – | 1.00-1.25 m²°C/W |
| Water absorption (max) | ASTM C 209 | 2.5-3.5% vol |
| Water vapour permeance (max) | – | 1.5-150 ng/ Pa. s. m² |
Source: www.irc.nrc-cnrc.gc.ca/ccmc/registry/07/preface/07214-4-e.pdf [17]