| About |
|---|
| Modified semi-free-flowing suspension PTFE of the 2 nd generation for moulding applications like diaphragms, bellows, shaped parts and skived films. Special Features Meets ASTM D 4894 – Type IV, Grade 2 classification Produced by suspension polymerisation Homogenous mould filling and reduced moulding pressure Substantially lower deformation under load (“cold flow”) Improved particle coalescence Better surface finish Dense polymer structure with very low void content Low permeability Good weldability Improved flex life Good electrical and mechanical properties Excellent chemical resistance Low friction behaviour Good flame retardance Exceptional temperature resistance&& |
| Product Description | |
|---|---|
| Generic | PTFE |
| Material Status | Commercial: Active |
| Features | Good Electrical Properties,Low coefficient of friction,Flame Characteristics,Solvent resistance,Welding |
| Availabilitys | North America,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 2.16 | g/cm³ | ISO 12086 |
| Apparent density | 0.83 | g/cm³ | ISO 60 |
| Shrinkage rate | 4.1 | % | Internal Method |
| Average particle size | 230 | µm | ISO 13320 |
| film | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| 200 µm | 35.0 | MPa | ISO 527-3 |
| Tensile strain | |||
| Fracture, 200 µ m | 600 | % | ISO 527-3 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear coefficient of thermal expansion | |||
| MD | DIN 53752 | ||
| 30 to 100 ℃ | 1.2E-4 | cm/cm/℃ | |
| 30 to 200 ℃ | 1.4E-4 | cm/cm/℃ | |
| 30 to 260 ℃ | 1.7E-4 | cm/cm/℃ | |
| Thermal conductivity coefficient | 0.22 | W/m/K | DIN 52612 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+17 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+18 | ohms·cm | IEC 60093 |
| Dielectric strength | |||
| 0.2 mm | 78 | kV/mm | ISO 12086 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Compression molding pressure | 20.0 to 25.0 | MPa | |
| Compression molding temperature | 23 to 26 | ℃ | |
| sintering temperature | 375 to 380 | ℃ |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 55 | ISO 868 | |
| Tensile modulus | 650 | MPa | ISO 527-2 |
| Load deformation | ASTM D621 | ||
| 15 MPa | 5.00 | % | |
| 15 MPa | 10.0 | % | |
| 15 MPa | 9.00 | % |
| Notes |
|---|
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