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| 3M™ Dyneon™ PTFE Compound TF 7921 | |||
| Polytetrafluoroethylene | |||
| Product Description: | |||
| Features | |||
| PTFE Compound with 1 % white pigment | |||
| Low flow compound | |||
| General | |||
| Additive | Pigment (1%) | ||
| Features | Low Flow | ||
| Processing Method | Compression Molding | Sintering | |
| Physical | Nominal Value | Unit | Test Method |
| Specific Gravity | 2.18 | g/cm³ | ASTM D4745-06 |
| Apparent Density | 0.4 | g/cm³ | ASTM D4894-07 |
| Molding Shrinkage - Flow | 2.6 | % | ASTM D4894-07 |
| Hardness | Nominal Value | Unit | Test Method |
| Shore Hardness 2 (Shore D) | 64 | DIN 53505 | |
| Mechanical | Nominal Value | Unit | Test Method |
| Tensile Strength 2 (Break) | 31 | MPa | ASTM D4745-06 |
| Tensile Elongation 2 (Break) | 320 | % | ASTM D4745-06 |
| Additional Information | Nominal Value | Unit | |
| Compression Molding Molding Pressure | 35 | MPa | |
| Compression Molding Temperature | 23 to 26 | °C | |
| Sintering Temperature | < 365 | °C |