| Mechanical
Properties |
| Tensile Stress @ Yield |
D 638 |
33.1 MPa
(4800 psi) |
| Tensile Stress @ Break |
D 638 |
43.4 MPa
(6300 psi) |
| Elongation @ Break |
D 638 |
50% |
| Flexural Modulus |
D 790 |
1379 MPa
(2.00
x 105 psi ) |
| Flexural Yield Strength |
D 790 |
45.5 MPa
(6600 psi) |
| Rockwell Hardness, R Scale |
D 785 |
78 |
| Izod Impact Strength, Notched |
|
|
D 256 |
240 J/m (4.5 ft·lbf/in.) |
|
|
D 256 |
96 J/m (1.8 ft·lbf/in.) |
| |
| Thermal
Properties |
| Deflection Temperatured |
|
|
D 648 |
74°C (165°F) |
|
|
D 648 |
85°C (185°F) |
| Vicat Softening Temperatured |
D 1525 |
104°C (219°F) |
| |
| Permanence
Properties |
| Water Absorption, 24 h
immersion |
D 570 |
1.4% |
| Soluble Matter Loss |
D 570 |
0.1% |
| Weight Loss on Heating [72
hours @ 80°C (176°F)] |
D 707 |
0.5% |
| |
| Miscellaneous
Butyrate Properties |
|
Refractive Index, nD |
D 542 |
1.46-1.49 |
| Light Transmissione |
E 308 |
>90% |
| Hazee |
D 1003 |
<8.5% |
| Specific Heat @ 23°C (73°F) |
DSC |
1.26-1.67 kJ/kg·K
(0.301-0.399 Btu/lb·°F) |
| Thermal Conductivity |
C 177 |
0.17-0.33 W/m·K
(1.2-2.3
Btu·in./h·ft2·°F ) |
| Coefficient of Linear Thermal
Expansion |
D 696 |
11 - 17 x 10-5 /°C (mm/mm·°C) (
6 - 9 x 10-5 /°F (in./in.·°F)) |
| Mold Shrinkage |
D 955 |
0.2-0.6% |
| Dielectric Strength |
D 149 |
11.8-18.7 kV/mm
(300-475 V/mil) |
| Dielectric Constant 1 MHz |
D 150 |
3.3-3.8 |
| Dissipation Factor 1 MHz |
D 150 |
0.01-0.15 |
| Volume Resistivity |
D 257 |
1013 - 1015 ohm·cm |
