Technical Data
Technical Specifications
Typical physical property data, subject to batch test reports.
| Test Item | Unit | Specified Value | Typical Value |
|---|---|---|---|
| Specific Gravity | g/cm³ | — | 1.36 |
| Hardness | Shore A/D | — | 95A/44D |
| Tensile Strength | ≥ MPa | 13.80 | 14.55 |
| Elongation at Break | ≥ % | 300 | 352 |
| Thermal Aging | ℃×h | 158±2×168 | 158±2×168 |
| Retention of Tensile Strength / Elongation | ≥ % | 80/80 | 103/89 |
| Low-temperature Brittleness Test (-40℃) | Failure count ≤ | 15/30 | 0/30 |
| Volume Resistivity @20℃ | ≥ Ω·m | 1.0×10¹² | 3.5×10¹³ |
| Dielectric Strength | ≥ KV/mm | 20 | 26 |
| Oxygen Index | ≥ | 28 | 32 |
| Cable Flammability (UL1581) | — | VW-1 | VW-1 |
⚠️ Above data are properties after cross linking Process with general extruder. Screw with L/D≥20 and low compression ratio of 1:1.2~1.5 is recommended.
Recommended
Extrusion Process
If the material has been stored in warehouse for more than two months, dry it at 70-80℃ before use.
| Heat Zone | Zone 1 | Zone 2 | Zone 3 | Zone 4 | Head | Die |
|---|---|---|---|---|---|---|
| Temperature ℃ | 145 | 150 | 180 | 180 | 185 | 185 |
Processing Guide
Recommended Processing Parameters
1
Radiation Dosage
- Recommended radiation dosage: 12-14 Mrad; Hot-elongation after radiation shall be controlled within 25% 40%.
2
Storage/Package
- Packaging: 25 kg per bag; inner bag: aluminum foil polyolefin film; outer package: kraft composite bag.
- Transportation & Storage: The cable compound shall be protected from sunlight and rain during transportation. Store in clean, cool, dry and well ventilated warehouse.