| About |
|---|
| Viton® A-331C is an incorporated cure “A-family” dipolymer designed for the injection and transfer of molding parts requiring improved demolding “hot tear” resistance. The moderate viscosity level of Viton® A-331C also allows for satisfactory compression molding of parts. Features Intermediate viscosity level (when compared with related “O-Ring” polymers Viton® A-202C and Viton® A-402C) Fully precompounded reduced curative level incorporated process aid Improved processing increased mold flow better mold release with less mold fouling improved demolding “hot tear” Good compression set resistance Applications Injection, transfer and compression molding of: O-rings, seals, and gaskets Other profiles requiring improved demolding “hot tear” Extruded O-ring cord, hose, and other profiles&& |
| Product Description | |
|---|---|
| Supplier | Chemours |
| Generic | 氟橡胶 |
| Material Status | Commercial: Active |
| Features | Good Dimensional Stability,Good liquidity,Good stripping performance |
| Availabilitys | North America,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.82 | g/cm³ | ASTM D792 |
| Apparent density | 1.82 | g/cm³ | ASTM D1895 |
| Mooney viscosity | |||
| ML 1+10，121℃ | 65 | MU | ASTM D1646 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | ASTM D2240 | ||
| Shore A, 23 ℃ | 71 | ASTM D2240 | |
| Shore A, 23 ℃ | 75 | ASTM D2240 | |
| Shore A, 23 ℃ | 72 | ASTM D2240 | |
| Shore A, 23 ℃ | 77 | ASTM D2240 | |
| Shore A, 23 ℃ | 76 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | ASTM D412 | ||
| 100% strain, 23 ℃ | 3.10 | MPa | ASTM D412 |
| 100% strain, 23 ℃ | 4.60 | MPa | ASTM D412 |
| 100% strain, 23 ℃ | 4.50 | MPa | ASTM D412 |
| 100% strain, 23 ℃ | 4.50 | MPa | ASTM D412 |
| 100% strain, 23 ℃ | 4.90 | MPa | ASTM D412 |
| tensile strength | ASTM D412 | ||
| Yield, 23 ℃ | 9.70 | MPa | ASTM D412 |
| Yield, 23 ℃ | 14.5 | MPa | ASTM D412 |
| Yield, 23 ℃ | 15.0 | MPa | ASTM D412 |
| Yield, 23 ℃ | 13.5 | MPa | ASTM D412 |
| Yield, 23 ℃ | 14.1 | MPa | ASTM D412 |
| Tensile strain | ASTM D412 | ||
| Fracture, 23 ℃ | 350 | % | ASTM D412 |
| Fracture, 23 ℃ | 240 | % | ASTM D412 |
| Fracture, 23 ℃ | 260 | % | ASTM D412 |
| Fracture, 23 ℃ | 240 | % | ASTM D412 |
| Fracture, 23 ℃ | 230 | % | ASTM D412 |
| Compression deformation | ASTM D395B | ||
| 23℃，70 hr | 18 | % | ASTM D395B |
| 200℃，70 hr | 21 | % | ASTM D395B |
| 200℃，168 hr | 29 | % | ASTM D395B |
| 232℃，70 hr | 40 | % | ASTM D395B |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 20 in/min |
| 3. 20 in/min, Aged for 70 hr at 392°F |
| 4. 20 in/min, Aged for 168 hr at 392°F |
| 5. 20 in/min, Aged for 24 hr at 450°F |
| 6. 20 in/min, Aged for 70 hr at 450°F |
| 7. Aged for 70 hr at 392°F |
| 8. Aged for 168 hr at 392°F |
| 9. Aged for 24 hr at 450°F |
| 10. Aged for 70 hr at 450°F |
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