Low-Density Polyethylene
LDPE is transparent and tear-resistant, has low water-vapor permeability and retains much of its flexibility even at low temperatures.
Features
LDPE is a transparent, tear-resistant material with low water-vapor permeability that largely retains its flexibility even at low temperatures. These characteristics make it attractive for applications requiring durability and flexibility. It is also widely used as a bonding interlayer between two layers that would not otherwise adhere through heat alone.
Detailed Information
Technical Specifications & Options
LDPE Lupolen 2420 H
| PROPERTY | VALUE | UNIT | TEST METHOD |
|---|---|---|---|
| Density | 0.924 | g/cm³ | ISO 1183 |
| Melt Flow Rate (MFR) (190°C/2.16 kg) | 1.9 | g/10 min | ISO 1133 |
| Tensile Modulus | 260 | MPa | ISO 527-1,-2 |
| Tensile Stress at Yield | 11 | MPa | ISO 527-1,-2 |
| Tensile Strength at Break MD/TD | 26/18 | MPa | ISO 527-1,-3 |
| Tensile Strain at Break MD/TD | 250/600 | % | ISO 527-1,-3 |
| Dart Drop Impact (50 μm blown film) | 110 | g | ASTM D 1709 |
| Vicat Softening Temperature (A50, 50°C/h, 10 N) | 94 | °C | ISO 306 |
| Haze (50 μm film) | <8.0 | % | ASTM D 1003 |
| Gloss (60°, 50 μm film) | >100 | ASTM D 2457 |
LDPE Lupolen 2420 D
| PROPERTY | VALUE | UNIT | TEST METHOD |
|---|---|---|---|
| Density | 0.923 | g/cm³ | ISO 1183 |
| Melt Flow Rate (MFR) (190°C/2.16 kg) | 0.25 | g/10 min | ISO 1133 |
| Tensile Modulus | 240 | MPa | ISO 527-1,-2 |
| Tensile Stress at Yield | 10 | MPa | ISO 527-1,-2 |
| Tensile Strength at Break MD/TD | 27/20 | MPa | ISO 527-1,-3 |
| Tensile Strain at Break MD/TD | 200/500 | % | ISO 527-1,-3 |
| Dart Drop Impact (50 μm blown film) | 250 | g | ASTM D 1709 |
| Vicat Softening Temperature (A50, 50°C/h, 10 N) | 94 | °C | ISO 306 |
| Haze (50 μm film) | <14 | % | ASTM D 1003 |
| Gloss (60°, 50 μm film) | >50 | ASTM D 2457 |
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