铁氟龙, 氟橡胶, 铁氟龙FEP, PVDF法国阿科玛9000HD, ETFE日本旭硝子C-88AX, PFA美国杜邦340, PA66/F/PTFE美国液氮RFL-403, PA66/PTFE美国液氮RL-4040, POM/PTFE基础创新塑料KL004
铁氟龙, 氟橡胶, 铁氟龙FEP, PVDF法国阿科玛9000HD, ETFE日本旭硝子C-88AX, PFA美国杜邦340, PA66/F/PTFE美国液氮RFL-403, PA66/PTFE美国液氮RL-4040, POM/PTFE基础创新塑料KL004
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| 3M™ Dyneon™ TFM™ Modified PTFE 1635 | |||
| Polytetrafluoroethylene | |||
| Product Description: | |||
| Modified semi free-flowing PTFE of the 2nd generation with reduced moulding pressure and improved flex-life | |||
| Features | |||
| Meets ASTM D 4894 Type IV classification, Grade 2 | |||
| Moulding powder with semi-free-flowing properties and high bulk-density | |||
| Homogeneous mould filling and reduced moulding pressure | |||
| Improved particle coalescence | |||
| Improved flex-life | |||
| Dense polymer structure with very low void content | |||
| Low permeability | |||
| Substantially lower deformation under load ("cold flow") | |||
| Good electrical and mechanical properties | |||
| Good weldability | |||
| Typical applications | |||
| Articles requiring improved flex-life properties (diaphragms, bellows etc.) | |||
| Large compression moulded sheets | |||
| Isostatically moulded articles | |||
| Shaped parts | |||
| Large cylinders | |||
| Skived films of >250 µm | |||
| Linings in the chemical processing industry (CPI) | |||
| General | |||
| Features | Good Electrical Properties | Weldable | |
| Uses | Diaphragms | Liners | |
| Film | Sheet | ||
| Forms | Powder | ||
| Processing Method | Compression Molding | Sintering | |
| Physical | Nominal Value | Unit | Test Method |
| Density | 2.16 | g/cm³ | ISO 12086 |
| Apparent Density | 0.83 | g/cm³ | ISO 60 |
| Molding Shrinkage | 4.1 | % | Internal Method |
| Average Particle Size | 230 | µm | ISO 13320 |
| Hardness | Nominal Value | Unit | Test Method |
| Shore Hardness (Shore D) | 55 | ISO 868 | |
| Mechanical | Nominal Value | Unit | Test Method |
| Tensile Modulus | 650 | MPa | ISO 527-2 |
| Deformation Under Load | ASTM D621 | ||
| 15 MPa 2 | 5.00 | % | |
| 15 MPa 3 | 10.0 | % | |
| 15 MPa 4 | 9.00 | % | |
| Films | Nominal Value | Unit | Test Method |
| Tensile Strength (200 µm) | 35.0 | MPa | ISO 527-3 |
| Tensile Elongation (Break, 200 µm) | 600 | % | ISO 527-3 |
| Thermal | Nominal Value | Unit | Test Method |
| CLTE - Flow | DIN 53752 | ||
| 30 to 100°C | 1.2E-4 | cm/cm/°C | |
| 30 to 200°C | 1.4E-4 | cm/cm/°C | |
| 30 to 260°C | 1.7E-4 | cm/cm/°C | |
| Thermal Conductivity | 0.22 | W/m/K | DIN 52612 |
| Electrical | Nominal Value | Unit | Test Method |
| Surface Resistivity | 1.0E+17 | ohms | IEC 60093 |
| Volume Resistivity | 1.0E+18 | ohms·cm | IEC 60093 |
| Electric Strength (0.200 mm) | 78 | kV/mm | ISO 12086 |
| Additional Information | Nominal Value | Unit | |
| Compression Molding Molding Pressure | 20.0 to 25.0 | MPa | |
| Compression Molding Temperature | 23 to 26 | °C | |
| Sintering Temperature | 375 to 380 | °C | |
| 2permanent | |||
| 3100 hr | |||
| 424 hr |
