| About |
|---|
| Reinforced with a proprietary synthetic mica, Semitron ESd 500HR offers an excellent combination of low frictional properties, good dimensional stability and electrostatic dissipation. Whenever virgin PTFE causes electrical discharge problems, Semitron ESd 500HR will provide a controlled bleed-off of static charges while maintaining typical PTFE-properties such as broad chemical resistance and low coefficient of friction Surface resistivity: 1010 – 1012 ohms/sq Thermal performance to 500°F (260°C) Thermally insulative Very low coefficient of friction Broad chemical resistance&& |
| Product Description | |
|---|---|
| Supplier | Quadrant |
| Generic | PTFE |
| Material Status | Commercial: Active |
| Features | Thermal insulation,Good Dimensional Stability,Conductive,Low coefficient of friction,Solvent resistance |
| Availabilitys | Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 2.30 | g/cm³ | ISO 1183 |
| Water absorption rate | |||
| saturated | 1.0 to 2.0 | % | |
| Equilibrium, 23 ℃, 50% RH | < 0.10 | % | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 7.5 | kJ/m² | ISO 179-1eA |
| Charpy Unnotch Impact strength | 30 | kJ/m² | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 100 | ℃ | ISO 75-2/A |
| Melting temperature | 327 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| MD：23~100℃ | 8.5E-5 | 1/℃ | |
| Maximum operating temperature | |||
| Air，Continuous | 260 | ℃ |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+10 to 1.0E+12 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+10 to 1.0E+12 | ohms·cm | IEC 60093 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | V-0 | UL 94 | |
| Extreme oxygen index | > 95 | % | ISO 4589-2 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 60 | ||
| Rockwell hardness | |||
| R-level | 50 | ISO 2039-2 | |
| Ball hardness | 40.0 | MPa | ISO 2039-1 |
| Tensile modulus | 1450 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 10.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| yield | 0.040 | % | |
| fracture | > 50 | % | |
| bending strength | 14.0 | MPa | |
| compressive strength | |||
| 1% strain | 10.5 | MPa | |
| 2% strain | MPa | ||
| 5% strain | 20.0 | MPa |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
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