PEEK films/sheets are made by melting PEEK particles at high temperature and then casting them into a tape-cast form. The films we produce are mainly divided into amorphous transparent films and crystalline films.
| Product Name Code | Color | Surface Texture | Thickness × Width {T×W} mm |
|---|---|---|---|
| PEEK Film | Natural/Black | Polished/Unpolished, Gloss/Matte | (0.1~0.25) × 1360 |
| PEEK Sheet | Natural/Black | Polished/Unpolished, Gloss/Matte | (0.25~0.4) × 1360, (0.5~0.8) × 660 |
| Property Group | Property | Test Method | Units | Value |
|---|---|---|---|---|
| Physical | Density | ASTM D792 | g/cm3 | 1.26 – 1.29 |
| Average Water Absorption (24 h) | ASTM D570 | % | 0.04 | |
| Heat Shrinkage (200°C) | ISO 11501 | % | 0.8 – 4.7 | |
| Mechanical | Tensile Strength at Yield (MD) | ASTM D882 | MPa | 70 – 90 |
| Tensile Strength at Yield (TD) | ASTM D882 | MPa | 68 – 86 | |
| Tensile Strength at Break (MD) | ASTM D882 | MPa | 120 – 186 | |
| Tensile Strength at Break (TD) | ASTM D882 | MPa | 112 – 115 | |
| Elongation at Break (MD) | ASTM D882 | % | 186 – 225 | |
| Elongation at Break (TD) | ASTM D882 | % | 145 – 180 | |
| Tensile Modulus (MD) | ASTM D882 | MPa | 1993 – 2755 | |
| Tensile Modulus (TD) | ASTM D882 | MPa | 1964 – 2568 | |
| Thermal | Melting Point | ISO 11357 | °C | 343 |
| Coefficient of Thermal Expansion (< Tg) | ISO 11359 | ppm / K | 55 – 60 | |
| Glass Transition Temperature | ISO 11357 | °C | 153 | |
| Electrical | Dielectric Strength (25 μm) | ASTM D149 | kV/mm | 150 |
| Volume Resistivity @25°C, 50% RH | ASTM D257 | Ω·m | 1016 | |
| Dielectric Constant (50 MHz) | ASTM D150 | — | 3.12 – 3.3 | |
| Loss Tangent (50 MHz) | ASTM D150 | — | 0.004 – 0.005 |
Note: Values shown are typical ranges. Test methods and units indicated where available.
Contact
English>
