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Low Smoke Zero Halogen Irradiated Insulating Cable Material - High-Performance China Suppliers & Factory
Product Features
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Low smoke combustion: Produces less smoke in the event of a fire, improving safety for evacuation.
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High Flame retardant: Slows the spread of fire and reduces potential fire losses.
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Low toxicity: Minimizes harmful substances in smoke, protecting human health.
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High temperature resistance: Maintains stable performance in demanding industrial environments.
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Weather resistance: Resists UV light and climate changes for an extended service life.
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High dielectric property: Excellent electrical insulation to prevent short circuits or faults.
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Environmental protection: Halogen-free compounds reduce negative environmental impact.
Scope of Use
Cable and optical cable, coaxial cable, network cable, elevator cable, and various other specialized wiring solutions.




Test Items and Standards
Properties of halogen-free low smoke flame retardant thermoplastic polyolefin insulating 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 (Temp / Time) | ℃ / h | 100±2 / 168 | 100±2 / 168 | 110±2 / 240 |
| 4 | Thermal deformation (90±2℃) | % | ≤50 | ≤50 | ≤50 |
| 5 | 20℃ volume resistivity | Ω·m | ≥1.0×10¹² | ≥1.0×10¹⁰ | ≥1.0×10¹⁰ |
| 6 | Dielectric strength | MV/m | ≥20 | ≥18 | ≥18 |
| 7 | Heat shock test (130±3℃) | - | No cracking | No cracking | No cracking |
| 8 | Impact embrittlement (-25℃) | - | ≤15/30 | ≤15/30 | ≤15/30 |
| 9 | Oxygen index | % | ≥28 | ≥30 | ≥30 |
| 10 | Smoke density (flameless/flaming) | - | ≤350 / ≤100 | ≤350 / ≤100 | ≤350 / ≤100 |
| 11 | Combustion gas acidity (pH) | - | ≥4.3 | ≥4.3 | ≥4.3 |
Certifications




Frequently Asked Questions
What are the primary benefits of Low Smoke Halogen-Free (LSZH) materials?
LSZH materials significantly reduce the amount of toxic and corrosive gas emitted during combustion and produce very little smoke, which is critical for safety in enclosed spaces.
How does this material perform in high-temperature environments?
The WDZ-Y series is designed to maintain stable electrical and mechanical properties in high-temperature settings, with specific grades rated for 70℃ to 90℃ operating temperatures.
Is this material suitable for outdoor cable applications?
Yes, it features excellent weather resistance and UV protection, making it durable against climate changes and extending the overall service life of the cables.
What safety standards do these materials meet?
The materials meet strict standards for flame retardancy, low smoke density (≤350 flameless), and gas acidity (pH ≥4.3), ensuring high safety levels for industrial and commercial use.
What is the Oxygen Index of these materials?
The WDZ-Y-H70 and H90 grades feature a high Oxygen Index of ≥30%, providing superior flame retardant performance compared to standard materials.



