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Low Smoke Zero Halogen Photovoltaic Insulation Cable Material - China Suppliers & Factory for High-Performance Cables
Product Features
1. Environmental resistance
It can withstand outdoor, ultraviolet, temperature changes and adverse weather conditions to ensure reliability in various climatic conditions.
2. Anti-ultraviolet attenuation
It has anti-ultraviolet attenuation characteristics to extend the service life of the cable.
3. Good electrical insulation
Ensure that the cable can still provide safe power transmission under high voltage, reducing the risk of electric shock and fire.
4. 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.
5. 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.
6. 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.
7. High conductivity
It can provide efficient power transmission and reduce resistance loss.
Scope of Use
Photovoltaic cable.
Test Items and Standards
Properties of halogen-free low smoke flame retardant thermoplastic polyolefin insulating materials and sheathing materials.
| 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. | |||
Certifications
Frequently Asked Questions
What are the main features of your photovoltaic cables?
Our cables feature environmental resistance, anti-ultraviolet attenuation, good electrical insulation, low smoke combustion, low toxicity, high fire resistance, and high conductivity.
What is the primary scope of use for this product?
This product is primarily used as a photovoltaic cable, ensuring reliable power transmission in outdoor environments.
How does the cable perform in the event of a fire?
The cable uses a low smoke zero halogen material, which produces less smoke and toxic gas during combustion. It also possesses high fire resistance to protect internal insulation and prevent fire spread.
What is the tensile strength requirement for the WDZ-Y-J70 material?
The tensile strength requirement for all variants, including the WDZ-Y-J70 material, is ≥10.0 MPa.
How is the heat shock test conducted for these cables?
The heat shock test is conducted at a temperature of 130±3 ℃ for exactly 1 hour. To pass the test, the material must show "No cracking".
What are the standards for material smoke toxicity hazards?
The standards for material smoke toxicity hazards are determined according to the specific application requirements of the product and are negotiated between the supply and demand parties.