Low Smoke Zero Halogen PV Insulation Cable Material - China Suppliers & Factory for High Performance Solutions
Environmental Resistance
It can withstand outdoor, ultraviolet, temperature changes and adverse weather conditions to ensure reliability in various climatic conditions.
Anti-ultraviolet Attenuation
It has anti-ultraviolet attenuation characteristics to extend the service life of the cable.
Good Electrical Insulation
Ensure that the cable can still provide safe power transmission under high voltage, reducing the risk of electric shock and fire.
Low Smoke Combustion
Low smoke zero halogen material produce less smoke in the event of a fire, which helps to improve the safety of personnel evacuation.
Low Toxicity
Low smoke zero halogen material usually have low toxicity, even when burning, they produce less toxic gas, helping to reduce the risk of toxicity in a fire.
High Fire Resistance
Low smoke zero halogen material usually have high fire resistance, which can protect the insulation material inside the cable in a fire and prevent the spread of fire.
High Conductivity
It can provide efficient power transmission and reduce resistance loss.


| No. | Inspection item | Unit | Requirements | ||
|---|---|---|---|---|---|
| WDZ-Y-J70 | WDZ-Y-H70 | WDZ-Y-H90 | |||
| 1 | Tensile strength | MPa | ≥10.0 | ≥10.0 | ≥10.0 |
| 2 | Elongation at break | % | ≥160 | ≥160 | ≥160 |
| 3 | Air aging chamber | ||||
| Aging temperature | ℃ | 100±2 | 100±2 | 110±2 | |
| Aging time | h | 168 | 168 | 240 | |
| Maximum rate of change of tensile strength | % | ±25 | ±25 | ±25 | |
| Maximum rate of change of elongation at break | % | ±25 | ±25 | ±25 | |
| 4 | Thermal deformation | ||||
| Test temperature | ℃ | 90±2 | 90±2 | 90±2 | |
| Experimental result | % | ≤50 | ≤50 | ≤50 | |
| 5 | 20℃ volume resistivity | Ω·m | ≥1.0×10¹² | ≥1.0×10¹⁰ | ≥1.0×10¹⁰ |
| 6 | Volume resistivity at operating temperature | ||||
| Test temperature | ℃ | 70±1 | — | — | |
| Volume resistivity | Ω·m | ≥2.0×10⁸ | — | — | |
| 7 | Dielectric strength | MV/m | ≥20 | ≥18 | ≥18 |
| 8 | Heat shock test | ||||
| Test temperature | ℃ | 130±3 | 130±3 | 130±3 | |
| Test time | h | 1 | 1 | 1 | |
| Experimental result | — | No cracking | No cracking | No cracking | |
| 9 | Impact embrittlement temperature | ||||
| Test temperature | ℃ | -25 | -25 | -25 | |
| Experimental result | Number | ≤15/30 | ≤15/30 | ≤15/30 | |
| 10 | Ozone resistance test | ||||
| Test temperature | ℃ | — | 25±2 | 25±2 | |
| Experiment time | h | — | 24 | 24 | |
| Ozone concentration | ppm | — | 250~300 | 250~300 | |
| Experimental result | — | — | No cracking | No cracking | |
| 11 | Hot water immersion test | ||||
| Test temperature | ℃ | — | 70±2 | 70±2 | |
| Experiment time | h | — | 168 | 168 | |
| Maximum rate of change of tensile strength | % | — | ±30 | ±30 | |
| Maximum rate of change of elongation at break | % | — | ±35 | ±35 | |
| 12 | Oxygen index | % | ≥28 | ≥30 | ≥30 |
| 13 | Smoke density | ||||
| Flameless | — | ≤350 | ≤350 | ≤350 | |
| Flaming | — | ≤100 | ≤100 | ≤100 | |
| 14 | Combustion releases gas acidity | ||||
| HCI and HBr content | % | ≤0.5 | ≤0.5 | ≤0.5 | |
| HF content | % | ≤0.1 | ≤0.1 | ≤0.1 | |
| pH value | — | ≥4.3 | ≥4.3 | ≥4.3 | |
| Electric conductivity | μS/mm | ≤10 | ≤10 | ≤10 | |
| 15 | Material smoke toxicity hazards | According to the application requirements of the product, negotiated by the supply and demand parties. | |||



What are the main environmental benefits of these photovoltaic cables?
They can withstand outdoor conditions, UV radiation, temperature changes, and adverse weather, ensuring long-term reliability and extending the service life of the cable in various climatic conditions.
How do low smoke zero halogen (LSZH) materials improve safety?
In the event of a fire, LSZH materials produce significantly less smoke and toxic gases. This improves the safety of personnel evacuation and greatly reduces toxicity risks during an emergency.
Are these cables suitable and safe for high voltage applications?
Yes, they offer excellent electrical insulation, ensuring safe power transmission under high voltage environments and effectively reducing the risks of electric shock and fire.
What is the primary application for these products?
These cables are primarily designed, manufactured, and rigorously tested for use as photovoltaic cables in solar power systems.
Do the cables offer reliable fire resistance?
Absolutely. The low smoke zero halogen materials feature high fire resistance, which protects the inner insulation material during a fire and helps prevent the fire from spreading further.
Have these products passed relevant quality standard tests?
Yes, our materials are thoroughly tested for tensile strength, thermal deformation, ozone resistance, and dielectric strength, among other strict standards, and hold corresponding industry certifications.



