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Viton® A-275C
| Category: | Fluorelastomer , Fluoroelastomer |
| Manufacturer: | DuPont Performance Elastomers |
| Trademark: | Viton® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | FExMGl_Viton-A-275C.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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Viton A-275C is a nominal 20 ML, curativecontaining precompound formulated specifically for optimized performance in injection molding operations. The polymer rheology and cure rate are designed to provide the best possible mold flow and filling characteristics, while maintaining economically fast overall cycle times. In injection molding applications, compounds based on Viton A-275C will provide improved mold flow, better mold release, and superior flash strength, compared to other grades of Viton, such as A-201C or A-401C. Viton A-275C features: -Incorporated bisphenol cure system -Viscosity, rheology, and cure/scorch optimized for injection molding -Excellent scorch safety -Excellent mold release -Excellent compression set resistance Applications: -Injection molding of O-rings, gaskets, and other sealing devices -Can be formulated to meet FKM specifications MIL-R-83248C and AMS 7276E |
| General Information | |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.82 | g/cm³ | ASTM D792 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore A) | 71 | ASTM D2240 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Stress (100% Strain) | 4.50 | MPa | ASTM D412 |
| Tensile Strength (Break) | 13.4 | MPa | ASTM D412 |
| Tensile Elongation (Break) | 220 | % | ASTM D412 |
| Compression Set | ASTM D395B | ||
| 23°C, 70 hr | 11 | % | ASTM D395B |
| 200°C, 70 hr | 18 | % | ASTM D395B |
| 200°C, 168 hr | 24 | % | ASTM D395B |
| 200°C, 336 hr | 34 | % | ASTM D395B |
| 232°C, 70 hr | 36 | % | ASTM D395B |
| Aging | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Change in Tensile Strength in Air | ASTM D573 | ||
| 200°C, 70 hr | 0.0 | % | ASTM D573 |
| 100% strain, 200°C, 70 hr | 2.2 | % | ASTM D573 |
| 232°C, 70 hr | 4.3 | % | ASTM D573 |
| 100% strain, 232°C, 70 hr | 0.0 | % | ASTM D573 |
| 275°C, 70 hr | -30 | % | ASTM D573 |
| 100% strain, 275°C, 70 hr | -41 | % | ASTM D573 |
| Change in Ultimate Elongation in Air | ASTM D573 | ||
| 200°C, 70 hr | 10 | % | ASTM D573 |
| 232°C, 70 hr | 4.3 | % | ASTM D573 |
| 275°C, 70 hr | 25 | % | ASTM D573 |
| Change in Durometer Hardness in Air | ASTM D573 | ||
| Support a, 200°C, 70 hr | 1.0 | ASTM D573 | |
| Support a, 232°C, 70 hr | 1.0 | ASTM D573 | |
| Support a, 275°C, 70 hr | 2.0 | ASTM D573 | |
| Change in Tensile Strength | ASTM D471 | ||
| 23°C, 70 hr, in reference fuel C | -17 | % | ASTM D471 |
| 100% strain, 23°C, 70 hr, in reference fuel c | -18 | % | ASTM D471 |
| 150°C, 168 hr, in IRM 903 oil | -5.5 | % | ASTM D471 |
| 100% strain, 150°C, 168 hr, in IRM 903 oil | -4.7 | % | ASTM D471 |
| 175°C, 70 hr, in AMS3021 | -37 | % | ASTM D471 |
| 100% strain, 175°C, 70 hr, in AMS3021 | -29 | % | ASTM D471 |
| Change in Ultimate Elongation | ASTM D471 | ||
| 23°C, 70 hr, in reference fuel C | 15 | % | ASTM D471 |
| 150°C, 168 hr, in IRM 903 oil | 15 | % | ASTM D471 |
| 175°C, 70 hr, in AMS3021 | 4.4 | % | ASTM D471 |
| Change in Durometer Hardness | ASTM D471 | ||
| Support A, 23°C, 70 hr, in reference fuel C | -1.0 | ASTM D471 | |
| Support A, 150°C, 168 hr, in IRM 903 oil | -1.0 | ASTM D471 | |
| Support A, 175°C, 70 hr, in AMS3021 | -8.0 | ASTM D471 | |
| Change in Volume | ASTM D471 | ||
| 23°C, 70 hr, Class C Standard Fuel | 2.2 | % | ASTM D471 |
| 150°C, 168 hr, in IRM 903 oil | 1.8 | % | ASTM D471 |
| 175°C, 70 hr, in AMS3021 | 15 | % | ASTM D471 |
| Additional Information |
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| ODR at 177°C, Microdie, 3° Arc, 12 min motor:Minimum Torque, ML: 8.7 in-lbScorch Time, ts2: 2.7 minMaximum Torque, MH: 94.2 in-lbOptimum Cure Time, tc90: 4.9 minMDR at 177°C, Microdie, 3° Arc, 12 min motor:Minimum Torque, ML: 0.79 in-lbScorch Time, ts2: 1.39 minMaximum Torque, MH: 17.75 in-lbOptimum Cure Time, tc90: 2.56 min |
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