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HZD2820-L
HZD2820-L is a 150°C irradiation cross-linked LSZH polyolefin cable compound — FT2 rated, colorable, meets UL 758 / UL 1581 mechanicals for 150°C XLPE with 180°C × 168 h aging performance.
Material / equipment — Irradiation cross-linked LSZH polyolefin (XLPO) compound
Overview
HZD2820-L is a 150°C halogen-free flame-retardant cable compound, colorable, built on a polyolefin base with inorganic flame retardants, antioxidants and lubricants, internally mixed, plasticized and pelletized. It serves electronic equipment wire, communication wire, building wire and instrumentation cable that must survive sustained heat.
The grade extrudes on ordinary PVC equipment with a smooth, round wire surface. Its mechanical performance meets the UL 758 and UL 1581 requirements for 150°C XLPE — thermal aging is verified at 180°C × 168 h — and the designed flame-retardant class is FT2.
Packaging & Storage
Supplied in aluminum-plastic bags with kraft paper lining, 25 kg net per bag. Store in a dry, well-ventilated warehouse.
Technical data
Typical Properties
| Property | Unit | Requirement | Typical | Test Method |
|---|---|---|---|---|
| Density | g/cm³ | ≤ 1.40 | 1.33 | GB 1033 |
| Tensile strength | MPa | ≥ 13.8 | 14.5 | GB 1040 |
| Elongation at break | % | ≥ 300 | 412 | GB 1040 |
| Thermal aging | °C × h | 180 × 168 | 180 × 168 | GB 2951.7 |
| Tensile strength retention after aging | % | ≥ 70 | 115 | GB 2951.7 |
| Elongation retention after aging | % | ≥ 70 | 85 | GB 2951.7 |
| Volume resistivity (20°C) | Ω·m | ≥ 1×10¹² | 7.3×10¹² | GB 1410 |
| Dielectric strength | MV/m | ≥ 25 | 29 | GB 1408 |
| Oxygen index | % | ≥ 25 | 30 | GB 2406 |
| Flame rating | — | FT2 | Pass | UL 1581 |
| Smoke density (flaming) | — | ≤ 100 | 79 | GB 8323 |
| Smoke density (non-flaming) | — | ≤ 180 | 165 | GB 8323 |
| Toxicity index | — | ≤ 5 | 2.2 | NES 713 |
| pH | — | ≥ 4.3 | 6.3 | IEC 60754-2 |
| Conductivity | μS/mm | ≤ 10 | 1.2 | IEC 60754-2 |
| Brittleness temperature | °C | < −25 | < −25 | GB 5470 |
| Shore hardness A (D) | — | — | 91 (46) | GB 2411 |
* Typical values are measured on production samples and provided for reference only — they are not a specification guarantee. Request the official TDS for binding limits.
Use cases
Applications
- —High-temperature electronic and electrical wire
- —Communication wire and cable
- —Building wire
- —Instrumentation and industrial control cable
Process notes
Processing Recommendations
- —Recommended equipment: φ45–150 single-screw extruder, L/D ≥ 20, screen pack 20/80/20 mesh
- —A dedicated halogen-free screw with compression ratio below 2.5 improves output and surface quality
- —Temperature profile: feed 110°C / transport 130°C / melting 140°C / die 140–150°C — trim die temperature to wire surface finish
- —Irradiation dose: 100–140 kGy (10–14 Mrad)
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Inquiry
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