Technical Data
Technical Specifications
Typical physical property data, subject to batch test reports.
| Test Item | Unit | Internal Control | Typical Value | Test Standard |
|---|---|---|---|---|
| Tensile Strength (before irradiation) | MPa | >6.0 | 6.5 | ISO 527-2 |
| Tensile Strength (after irradiation) | MPa | >9.0 | 10 | ISO 527-2 |
| Elongation at Break (before irradiation) | % | >150 | 195 | ISO 527-2 |
| Elongation at Break (after irradiation) | % | >150 | 170 | ISO 527-2 |
| Volume Resistivity at 20 ℃ | Ω·cm | >1.0×10¹³ | 1.0×10¹⁴ | IEC 60093 |
| Dielectric Strength at 20 ℃ | kV/mm | >20 | 26 | IEC 60243-1 |
| Limiting Oxygen Index | % | >32 | 36 | ISO 4589-2 |
| Hot Deformation (after irradiation,125 ℃×4 h) | % | <50 | 20 | IEC 60811-301 |
| (200 ℃×15 min×0.2 MPa, after irradiation) | IEC 60811-507 | |||
| Elongation under Load | % | - | - | IEC 60811-507 |
| Permanent Set after Cooling | % | <5.0 | 0.1 | IEC 60811-507 |
| Thermal Ageing (after irradiation,158 ℃×168 h) | IEC 60811-401 | |||
| Retained Tensile Strength | % | >75 | 96 | IEC 60811-401 |
| Retained Elongation at Break | % | >75 | 90 | IEC 60811-401 |
| Oil Immersion Test in IRM902 (100 ℃×70 h) | IEC 60811-201 | |||
| Retained Tensile Strength | % | >50 | 72 | IEC 60811-201 |
| Retained Elongation at Break | % | >50 | 78 | IEC 60811-201 |
| Oil Immersion Test in IRM903 (70 ℃×168 h) | IEC 60811-201 | |||
| Retained Tensile Strength | % | >50 | 70 | IEC 60811-201 |
| Retained Elongation at Break | % | >50 | 76 | IEC 60811-201 |
| Heat Shock (after irradiation,150 ℃×1 h) | - | No cracking | No cracking | IEC 60811-506 |
| Low-temperature Impact Brittleness (-40 ℃) | Broken / Total Specimens | 0/30 | 0/30 | ISO 974 |
| Corrosive Gas Performance after Combustion | ||||
| Halogen Acid Gas Content | mg/g | <5.0 | 0.6 | IEC 60754-2 |
| pH Value | - | >4.3 | 6.2 | IEC 60754-2 |
| Conductivity | μS/mm | <10.0 | 1.0 | IEC 60754-2 |
| Environmental Requirement | - | Compliant with RoHS, REACH, low-smoke halogen-free | ||
| Toxicity Index | - | ≤5 | 2.0 | NES 713 |
| Specific Gravity | g/cm³ | ≤1.60 | 1.50 | ISO 1183-1 |
| Shore Hardness | Shore D | 50±3 | 50 | ISO 868 |
⚠️ This product is homogeneous pellets, compliant with RoHS, REACH and other relevant environmental regulations. Its performances meet the specified values in Table 1, and the color shall comply with customer’s color requirements.
Recommended
Extrusion Process
Recommended extruder zone temperature settings:
Note: (1)Actual temperature setting shall achieve smooth cable surface under given line speed. (2) Recommended irradiation dosage for finished cable made from YHSFTY-125: 1718 MRAD, subject to hotset test results.
| Zone | Zone 1 | Zone 2 | Zone 3 | Zone 4 | Adapter | Head | Die |
|---|---|---|---|---|---|---|---|
| Temperature (℃) | ±5 | ±5 | ±5 | ±5 | ±5 | ±5 | ±5 |
Packaging & Storage
Packaging and storage
1
Packaging:
- 25 kg per bag; inner aluminiumplastic bag, outer kraft paper bag. The certificate on outer package shall mark product name, model, weight, production batch, colour, production date and supplier name.
2
Transportation & Storage:
- Protect from direct sunlight and rain during transit. Store in clean, dry and well-ventilated environment.
3
Remark:
- If stored more than 3 months under environment of ≤30 °C and relative humidity ≥60 %, it is recommended to dry the compound at 60 °C70 °C for minimum 4 hours before processing.

