Detailed Introduction
HDPE High-Density PE Granules for Cable Applications – Technical Data sheet
In addition to its applications in cable insulation, HDPE granules exhibit a range of beneficial properties that make them suitable for various building material applications. Their high tensile strength and resistance to impact ensure durability and longevity, which are critical in construction projects. Furthermore, HDPE granules possess excellent chemical resistance, making them ideal for environments where exposure to harsh substances is a concern. The lightweight nature of HDPE allows for easier handling and installation, reducing labor costs and time during construction. Additionally, the recyclability of HDPE granules aligns with sustainable building practices, as they can be repurposed and reused in other applications, minimizing waste. As the demand for eco-friendly materials continues to grow, integrating HDPE granules into building materials not only enhances performance but also supports environmental responsibility. With ongoing advancements in polymer technology, the potential for innovative applications of HDPE granules in the construction sector is vast, promising a future where durability and sustainability go hand in hand.
Property | Typical Value | Unit | Test Method |
Physical Properties |
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|
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Melt Flow Rate (190°C/2.16 kg) | 0.15 – 0.83 | g/10 min | ASTM D1238 |
Melt Flow Rate (190°C/5.0 kg) | ~0.35 | g/10 min | ASTM D1238 |
Density (Base Resin) | 0.946 – 0.952 | g/cm³ | ASTM D1505 |
Density (Compound) | 0.960 – 0.963 | g/cm³ | ASTM D1505 / ISO 1183-1 |
Carbon Black Content | 2.0 – 2.7 (typically 2.5) | % by wt | ASTM D4218 / ISO 18553 |
Carbon Black Dispersion | ≤ 3 | Rating | ISO 18553 |
Moisture Content | < 0.05 | % | ASTM D789 |
Mechanical Properties |
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|
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Tensile Strength at Break | 15 – 33 | MPa | ASTM D638 |
Tensile Strength at Yield | 20 – 27 | MPa | ASTM D638 / ISO 527-1,-2 |
Elongation at Break | 400 – >800 | % | ASTM D638 |
Flexural Modulus (1% Secant) | 770 – 960 | MPa | ASTM D790 |
Hardness (Shore D) | 58 – 63 | – | ASTM D2240 / ISO 868 |
Notched Izod Impact Strength | ≥ 65 | J/m | ASTM D256 |
Thermal Properties |
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|
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Oxidative Induction Time (OIT) at 200°C | ≥ 20 (up to >90) | min | ASTM D3895 / ISO 11357-6 |
Vicat Softening Temperature | 117 – 129 | °C | ASTM D1525 |
Brittleness Temperature | –75 to –50 | °C | ASTM D746 |
Continuous Operating Temperature (Jacketing) | –40 to +75 | °C | Industry Standard |
Electrical Properties |
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Dielectric Constant at 1 MHz | 1.9 – 2.4 | – | ASTM D150 / ASTM D1531 |
Dissipation Factor at 1 MHz | 6.0×10⁻⁵ – 1.0×10⁻³ | – | ASTM D150 / ASTM D1531 |
Volume Resistivity | ≥ 1.0×10¹⁵ (up to 1.3×10¹⁷) | Ω·cm | ASTM D257 |
Dielectric Strength | ≥ 20 | kV/mm | ASTM D149 / IEC 60243-1 |
Durability & Aging |
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Environmental Stress Crack Resistance (ESCR) – Condition B, 50°C, 10% | ≥ 1,000 (up to >10,000) | Hours, F0 | ASTM D1693 |
UV Resistance (Weathering) | Excellent (with 2.5% CB) | – | ASTM G155 / ISO 4892-2 |
Thermal Aging Resistance (7 days at 100°C) | ΔTS ≤ ±25%, ΔEB ≥ -50% | – | IEC 60811-1-2 |
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