| Project Name |
Unit |
Test method |
Indicator |
Typical value |
| Hardness |
A |
GB 2411-80 |
One |
80 |
| Specific gravity |
g/cm³ |
GB 1033-86 |
One |
1.00 |
| Tensile strength |
Mpa |
GB/T 1040-2006 |
≥10 |
13.5 |
| Elongation at break |
% |
GB/T 1040-2006 |
≥300 |
550 |
| Volume resistivity at 20°C |
Ω.m |
GB/T 1410-2008 |
≥1.0×10 12 |
1.0×10 14 |
| Dielectric strength |
MV/m |
GB/T1408.1-2006 |
One |
32 |
| High-temperature pressure (90°C × 4 h) |
% |
GB/8815 |
≤50 |
30 |
| Impact embrittlement performance (-40°C): number of fractures / number of specimens |
one |
GB/T 5740-2008 |
≤15/30 |
0/30 |
| Tear-resistant |
N/mm |
GB/T 33594-2017 |
≥20 |
28 |
| Oil resistance |
Gasoline at 23°C for 20 hours |
One |
GB/T 33594-2017 |
The outer jacket is non-visible.
Crack |
Qualified |
| Fuel at 23°C × 20 hours |
One |
| Mineral oil, 50°C × 20 h |
One |
Air oven thermal aging
(135℃×168h) |
Rate of change in tensile strength |
% |
≤±25 |
-1 |
| Rate of change of elongation at break |
% |
≤±25 |
-10 |
Water resistance test
(80℃×168h) |
Rate of change in tensile strength |
% |
≤±30 |
-8 |
| Rate of change of elongation at break |
% |
≤±30 |
-12 |
| Elongation at break |
% |
≥300 |
484 |
| Flame retardancy |
- |
Single-Strand Vertical Burning |
Qualified |