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Engineered for renewable energy systems, Irradiation Crosslinkable LSZH (Low Smoke Zero Halogen) insulation compound is a high-performance solution for photovoltaic cables.
This non-toxic, flame-retardant material combines:
125°C thermal resistance
VD-1 certification
Eco-safe combustion properties
Making it ideal for:
Sustainable solar installations
Harsh-environment cable systems
| Standard | Description |
|---|---|
| EN 50618 | Photovoltaic cable standards |
| TUV 1169 | Fire safety & durability |
| IEC 60332-1 / VD-1 | Flame retardancy |
| Halogen-Free | No toxic halogen gases |
| RoHS | Restriction of hazardous substances – compliant |
Formulated with a precision blend of:
| Component | Function |
|---|---|
| High-purity resins | Enhanced thermal stability |
| Cross-linking agents | Improved mechanical strength |
| Antioxidants & flame retardants | Long-term durability |
| Non-halogen additives | Non-toxic combustion byproducts |
| Property | Value |
|---|---|
| Thermal resistance | 125°C |
| Flame retardancy rating | VD-1 (IEC 60332-1) |
| Halogen content | Zero (LSZH) |
| Toxicity | Non-toxic combustion byproducts |
| Application | Photovoltaic (solar) cables |
Solar power systems (photovoltaic cables)
Renewable energy installations
Harsh-environment cable systems
Eco-friendly electrical infrastructure
Item | Unit | |||
Density@23℃ | g/cm³ | ASTM D792 | ≤ 1.28 | |
Tensile strength | MPa | IEC 60811- 1- 1 | ≥ 14.2 | |
Elongation at break | % | ≥ 190 | ||
After aging @150℃, 168h | Tensile strength retention | % | IEC 60811- 1-2 | 115 |
Breaking elongation retention | % | 88 | ||
After aging @185℃, 100h | Tensile strength variation | % | IEC 60811- 1-2 | 115 |
Breaking elongation variation | % | 80 | ||
Hot prolongation @200 ℃ , 0.2MPa, 15min | Elongation under the load | % | IEC 60811-2- 1 | 20 |
% | 4 | |||
Low temperature bending test@-40℃, 16h | — | IEC 60811- 1-4 | No crack | |
Combustion test | — | IEC 60332-1 | VD-1 | |
The halogen acid gas content | mg/g | IEC 60754-1 | none | |
pH | — | IEC 60754-2 | 5 | |
Electrical conductivity | µS/mm | IEC 60754-2 | 3.8 | |
Dielectric strength @20℃ | MV/mm | IEC 60243-1 | 25 | |
Volume resistivity @20℃ | Ω ·cm | ASTM D257 | ≥ 1×1014 | |
Hardness | Shore A | ASTM D2240 | 93 | |
The irradiation condition: hot prolongation(25% to 35%) | % | — | 20-30 | |
Processing
Recommend to use conventional single screw extruder and specific low smoke halogen-free screw. Reference model : Φ 70 model; Low compression ratio specific low smoke halogen-free screw;L/ D ratio=25:1.
Zone | 1 | 2 | 3 | 4 | 5 | Neck | Head | Die |
Temperature Range℃ | 110 | 125 | 135 | 140 | 145 | 155 | 160 | 165 |
- Above temperature is only for reference.
Flame Retardant Excellence:
Passes VD-1 combustion test with zero halogen acid gas (<1 mg/g)
Low smoke generation for enhanced safety in emergencies
Thermal Endurance:
Operates continuously at 125°C
Survives 200℃ aging tests (15min) with ≤20% elongation loss
Processing Efficiency:
Compatible with conventional single-screw extruders
Low compression ratio screws (L/D 25:1) for uniform crosslinking
Photovoltaic Systems:
Solar module interconnects
DC/AC transmission lines for solar farms
Power Distribution:
Control & railway cables
High-temperature industrial wiring
Fire-Safe Installations:
Tunnel & high-rise building cables
Marine & aerospace applications
Extruder Settings:
Zone 1-5 Temperatures: 110°C → 165°C (Gradual gradient)
Die Temperature: 160°C ±5°C
Screw Recommendations:
Low-shear screws (L/D 25:1) for uniform crosslinking
Barrel temperatures controlled to prevent material degradation
Secure Packaging:
Inner: 25kg moisture-resistant aluminum-laminate bags
Outer: Reinforced composite paper with waterproof coating
Palletized (max. 20 bags/pallet) for global compliance
Shipping Compliance:
IATA-approved for air freight
IMDG-compliant for marine transport
Shelf life: 6 months if stored dry at room temperature
