| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Specific Gravity | 2.08 g/cc | 2.08 g/cc | ASTM D4894 | 
| Bulk Density | 0.475 g/cc | 0.0172 lb/in³ | ASTM D4894 | 
| Particle Size | 25 µm | 25 µm | ASTM D4894 | 
| Deformation | 3.0 % @Pressure 15.00 MPa  | 3.0 % @Pressure 2175 psi  | permanent; ASTM D621 | 
| 5.0 % @Time 86400 sec, Pressure 15.00 MPa  | 5.0 % @Time 24.0 hour, Pressure 2175 psi  | ASTM D621 | |
| Mechanical Properties | Metric | English | Comments | 
| Hardness, Shore D | 66 | 66 | Initial; ASTM D2240 | 
| 60 @Time 15.0 sec  | 60 @Time 0.00417 hour  | ASTM D2240 | |
| Tensile Strength at Break | 27.6 MPa | 4000 psi | ASTM D4894 | 
| Elongation at Break | 280 % | 280 % | ASTM D4894 | 
| Tensile Modulus | 0.121 GPa | 17.5 ksi | ASTM D638 | 
| Thermal Properties | Metric | English | Comments | 
| CTE, linear | 124 µm/m-°C @Temperature 30.0 - 100 °C  | 69.0 µin/in-°F @Temperature 86.0 - 212 °F  | ASTM E831 | 
| 176 µm/m-°C @Temperature 100 - 200 °C  | 98.0 µin/in-°F @Temperature 212 - 392 °F  | ASTM E831 | |
| 223 µm/m-°C @Temperature 200 - 300 °C  | 124 µin/in-°F @Temperature 392 - 572 °F  | ASTM E831 | |
| Thermal Conductivity | 0.290 W/m-K @Temperature 100 °C  | 2.01 BTU-in/hr-ft²-°F @Temperature 212 °F  | ASTM E1530 | 
| 0.310 W/m-K @Temperature 250 °C  | 2.15 BTU-in/hr-ft²-°F @Temperature 482 °F  | ASTM E1530 | |
| Shrinkage | 1.4 % | 1.4 % | ASTM D4894 | 


