Technical Data
Technical Specifications
Typical physical property data, subject to batch test reports.
| Test items | Unit | Standard | Typical Value | Test Methods |
|---|---|---|---|---|
| Tensile strength(pre-irradiation) | MPa | >8.0 | 10.8 | GB/T 1040-2006 |
| Elongation (pre-irradiation) | % | >150 | 190 | GB/T 1040-2006 |
| Tensile strength(after-irradiation) | MPa | >8.0 | 12.0 | GB/T 1040-2006 |
| Elongation(after-irradiation) | % | >125 | 160 | GB/T 1040-2006 |
| Volume resistivity at 20℃ | Ω.cm | >1.0×10¹³ | 5.0×10¹³ | GB/T 1410-2006 |
| Dielectric strength at 20℃ | KV/mm | >26 | 30 | GB/T 1408.1-2006 |
| Limit oxygen index(LOI) | % | >33 | 35 | GB/T 2406-1993 |
| Knife penetration after 4 hours at 140℃(after-irradiation) | % | <50 | 12 | GB/T 2951.6-1997 |
| Thermal elongation (200℃×15 min×0.2MPa) (after-irradiation) | ||||
| Elongation under loading | % | 30～60 | 40 | GB/T 2951.5-1997 |
| Permanent deformation after cooling | % | <5.0 | 1.5 | GB/T 2951.5-1997 |
| Thermal oven-aged 150℃*168h (after-irradiation) | ||||
| Retention rate on tensile strength | % | >75 | 90 | GB/T 2951.2-1997 |
| Retention rate on Elongation at break strength | % | >75 | 86 | GB/T 2951.2-1997 |
| Heat Shock(130℃×1h) (after-irradiation) | — | No crack | No crack | GB/T 2951.6-1997 |
| Impact Brittleness Temperature@-40℃ | — | 0/30 | 0/30 | GB/T 5470-1985 |
| The environmental properties of burned material | ||||
| The acid gas | mg/g | <5.0 | 1.0 | IEC60754-2 |
| pH of gas solution | — | >4.3 | 6.8 | IEC60754-2 |
| Conductivity of gas solution | us/mm | <10.0 | 3.2 | IEC60754-2 |
| Flame retardation (IEC60332-1) | — | Pass | Pass | IEC60332-1 |
| Environmental required | — | Environmental required | ||
| Density | g/cm³ | ≤1.42 | 1.40 | GB/T 1033-2008 |
| Hardness | Shore | 94±3 | 94 | GB/T 2411-2008 |
| Mould growth test（28days） | — | Not higher than level 2b | Pass | IEC60068-2-10 |
⚠️ YHSH-125-Sis uniform particle, conform to the requirements of the RoHS, REACH and other relevant environmental regulations, performance are shown in table 1, color in accordance with customer requirements. Note: The above data only provide reference for the design, not as the final product judgment basis.
Recommended
Extrusion Process
Recommended for extruder district set temperature
Note ： (1) The temperature for cable extrusion should be set at the situation of good cable surface performance, it is recommended to use PVC screw extrusion; (2) The recommended irradiation dose for YHSH-125-Sis 17-18MRAD, but the thermal elongation shall prevail.
| Zone | Zone1 | Zone2 | Zone3 | Zone4 | Neck | Die | Eye |
|---|---|---|---|---|---|---|---|
| Temperature/℃ | 150±5 | 170±5 | 175±5 | 180±5 | 185±5 | 190±5 | 195±5 |
Packaging & Storage
Packaging and storage
1
Package:
- 25kg per bag, Alumni-plastic inner, Kraft paper outside. The outer packing certificate must be
- printed on the following information: product name, model, weight, production batch, color, production date and
- name of the supplier, etc
2
Transportation and storage:
- The product should not be exposed to the sun and rain during transportation, and its storage environment should be kept clean, dry and ventilated at any time.
3
Note:
- If the product in temperature≤30℃, humidity≥60% more than three months, it should be dried at 60℃
- ~ 70℃more than 4 hours before used.