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Low Smoke Zero Halogen Irradiated Insulating Cable Material - Eco-Friendly Solutions from China Suppliers and Factory
PRODUCT FEATURES
Low smoke combustion
This cable material produces less smoke in the event of a fire, which helps to improve the safety of personnel evacuation.
High Flame retardant
With good flame retardant performance, can slow the spread of fire, reduce fire losses.
Low toxicity
There are fewer harmful substances in the smoke produced, which is less harmful to human health.
High temperature resistance
Can maintain stable performance in high temperature environment, suitable for various industrial applications.
Weather resistance
It has the ability to resist ultraviolet light and climate change, which extends the service life of the cable.
High dielectric property
It has good electrical insulation performance, which can effectively prevent short circuit or fault of wire and cable.
Environmental protection
Does not contain harmful halogen compounds, helping to reduce the negative impact on the environment.
SCOPE OF USE
Cable and optical cable, coaxial cable, network cable, elevator cable, etc.
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 (FAQ)
What are the main features of this cable material?
The material features low smoke combustion, high flame retardancy, low toxicity, high temperature resistance, weather resistance, high dielectric properties, and environmental protection.
What is the scope of use for these materials?
These materials are widely used in standard cables, optical cables, coaxial cables, network cables, and elevator cables.
Is this cable material environmentally friendly?
Yes, it is highly environmentally friendly as it does not contain harmful halogen compounds, reducing negative impacts on the environment.
What is the tested tensile strength for these materials?
The tested tensile strength across the WDZ-Y-J70, WDZ-Y-H70, and WDZ-Y-H90 standards is consistently ≥10.0 MPa.
Does the material perform well in high temperatures?
Yes, it undergoes strict air aging chamber tests at temperatures of 100±2 ℃ and 110±2 ℃, ensuring stable performance in high-temperature environments.
What are the dielectric properties of this material?
It has excellent electrical insulation with a 20℃ volume resistivity reaching up to ≥1.0×10¹² Ω·m and a dielectric strength of ≥20 MV/m depending on the standard model.