| Serial number | Product name | Product grade | Main uses of the product |
| 1 | UL photovoltaic insulation | E5125-UL |
It is suitable for UL4703 standard photovoltaic cables |
| 2 | UL photovoltaic sheathing | E3125-UL |
|
Testing items |
Unit |
E5125-UL | E3125-UL | ||
| Standard value | Typical values | Standard value | Typical values | ||
| Density | g/cm³ | — | 0.94 | — | 1.47 |
| Shaw hardness | A | — | 97 | — | 97 |
| Tensile strength | Mpa | ≥10.0 | 18.0 | ≥10.0 | 14.3 |
| Elongation at break | % | ≥150 | 480 | ≥150 | 350 |
| Volumetric resistivity | Oh · cm | 1.0×1014 | 1.5×1016 | 1.0×1012 | 4.8×1013 |
| Air thermal aging test | ℃xh | 121×168 | 121×240 | ||
| The rate of change in tensile strength | % | ≤±20 | +10.2 | ≤±25 | +9.5 |
| Rate of change in elongation at break | % | ≤±20 | -8.5 | ≤±25 | -7.6 |
| Low temperature impact embrittlement | ℃ | -40 | -40 | ||
| Failure number | individuals | ≤15/30 | 0/30 | ≤15/30 | 0/30 |
| Oxygen index | % | — | — | ≥28 | 34 |
| Conductivity | μs/ mm| | ≤10 | 2.8 | ≤10 | 3.7 |
| PH value |
— |
≥4.3 | 5.5 | ≥4.3 | 7.5 |
| Thermal extension | ℃, Mpa.min | 200 ±3,0.2,15 | 200±3,0.2,15 | ||
| Elongation under load | % | ≤100 | 80 | ≤100 | 52 |
| Permanently deformed after cooling | % | ≤15 | 1 | ≤25 | 2 |