| |
Test items |
Test method |
Unit |
measured value |
| UM-103 |
UM-105 |
UM-113 |
| Mechanical properties |
Specific gravity |
JIS K 7112 |
|
0.94 |
0.94 |
0.94 |
| Tensile yield stress |
JIS K 7113 |
(kgf/cm2) · N/mm2 |
(250) · 24.5 |
(240) · 23.5 |
(240) · 23.5 |
| Tensile rupture strength |
JIS K 7113 |
(kgf/cm2) · N/mm2 |
(440) · 43.1 |
(400) · 39.2 |
(230) · 23.5 |
| Elongation |
JIS K 7113 |
% |
450 |
400 |
150 |
| Flexural yield strength |
JIS K 7203 |
(kgf/cm2) · N/mm2 |
(230) · 22.5 |
(220) · 21.6 |
(250) · 24.5 |
| Elastic coefficient |
JIS K 7203 |
(kgf/cm2) · N/mm2 |
(9300)・912 |
(9300)・882 |
(1000) · 980 |
| Izod impact strength (with notch) |
JIS K 7110 |
(kgf/cm2)·kJ/mm2 |
Does not break |
Does not break |
Does not break |
| Shore hardness |
|
D scale |
64 - 67 |
− |
− |
| Rockwell hardness |
JIS K 7202 |
R scale |
R50 |
R50 |
R55 |
| Thermal properties |
Heat conduction coefficient |
JIS K 7207(Stress4.6kgf/cm2) |
°C |
80 |
81 |
80 |
| Coefficient of linear expansion |
+20°C - -10°C |
deg-1 |
1.9×10-4 |
1.9×10-4 |
1.7×10-4 |
| Heat conduction coefficient |
2板法 |
(kcal/mhr°C) · W/m・K |
(0.36) · 0.42 |
− |
− |
| Specific heat(20°C) |
|
(J/kg・K) · cal/g°C |
(0.44) · 1842 |
− |
− |
| Electrical properties |
Volume intrinsic resistance |
ASTM D-257 |
Ω·cm |
1010 |
− |
− |
| Surface specific resistance |
ASTM D-257 |
Ω |
> 1013 |
> 1013 |
< 104 |
| Dielectric constant |
ASTM D-150 |
− |
2.3 |
− |
− |
| Dielectric loss coefficient（50Hz 104Hz） |
|
− |
< 2×10-4 |
− |
− |
| Dielectric strength |
JIS K 6911 |
KV/mm |
90 |
90 |
− |
| Wear characteristics |
Static friction coefficient (dry) |
|
|
0.1-0.2 |
0.1-0.2 |
− |
| Static friction coefficient (underwater) |
|
|
0.05-0.1 |
0.05-0.1 |
− |
| Taper wear（CS-17 1000g） |
|
mg/1000revolution |
1.4 |
2.0 |
2.0 |
| Slurry wear |
Company law 1,000rpm |
g/20MRS |
0.12 |
0.06 |
0.25 |
* The above values are standard values and not guarantee values.