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Low Smoke Zero Halogen Irradiated Insulating Cable Material from China Suppliers and Factory for High-Performance Electrical Applications
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
What are the main features of this cable material?
The material features low smoke combustion, high flame retardancy, low toxicity, high temperature resistance, and excellent weather resistance. It is also environmentally friendly.
Where can these halogen-free low smoke materials be used?
They are widely applicable for cables and optical cables, coaxial cables, network cables, and elevator cables.
Is the material safe for the environment and human health?
Yes, it does not contain harmful halogen compounds and produces fewer harmful substances and smoke in the event of a fire, reducing negative impacts on both the environment and human health.
What is the required tensile strength for WDZ-Y-J70 and WDZ-Y-H70 materials?
According to our test standards, the tensile strength requirement for WDZ-Y-J70, WDZ-Y-H70, and WDZ-Y-H90 materials is ≥10.0 MPa.
How does the material perform under high temperatures?
It maintains stable performance in high-temperature environments. For example, it passes the air aging chamber test at 100-110℃ and the heat shock test at 130℃ with no cracking.
What is the requirement for combustion gas acidity?
The pH value of the gas released during combustion must be ≥4.3, with electric conductivity ≤10 μS/mm, ensuring minimal corrosive gas emissions.