3356N17
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| Part Number | DDFGNBH |
| System of Measurement | Inch |
| Header Primary | High-Vacuum Fluoroelastomer O-Ring |
| Primary Category | High-Vacuum Fluoroelastomer O-Rings |
| Cross Section Shape | Round |
| Specifications Met | ASTM D2000, SAE AS568 |
| REACH | REACH (EC 1907/2006) (01/19/2021, 211 SVHC) Compliant |
| Fractional ID | 0.437500" |
| Fractional ID Tolerance | ±0.007" |
| Fractional OD | 0.562500" |
| Fractional Width | 0.062500" |
| Actual Width | 0.07" |
| Actual Width Tolerance | ±0.003" |
| Actual ID | 0.426000" |
| Actual OD | 0.566000" |
| RoHS | RoHS 3 (2015/863/EU) Compliant |
| Color | Black |
| Temperature Range | -15° to 400° F |
| Hardness | Durometer 75A |
| Storage Stability | 5-10Y |
| Material | Fluoroelastomer Rubber |
| Ozone Resitstance | BEST |
| Weather Resistance | BEST |
| Chemical Resistance | BEST |
| Oil Resistance | BEST |
| Water Density | GOOD |
| Wear Resistance | BEST |
| Deformation Resistance | GOOD |
| Acid Resistance | BEST |
| Alkali Resistance | BEST |
| Tension Strength | BEST |
| Steam Resistance | GOOD |
| Flame Resistance | BEST |
| Environmental Rating | Fed. Std. Class 100, ISO Class 5 |
| Environment | Clean Room |
| Vacuum Rating | High |
| Type | O-Rings |
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Design Features of DDFGNBH
DDFGNBH is designed with a specialized fluoroelastomer material that offers excellent chemical resistance and low outgassing properties. DDFGNBH fractional iD is 0.437500". Its fractional iD tolerance is 0.437500"_Tolerance. It ensures a reliable seal in high vacuum environments, maintaining its integrity under extreme temperatures and pressure conditions.
What Benefits Can DDFGNBH Provide?
- Superior Chemical Resistance: It withstands exposure to aggressive chemicals, oils, and fuels, making it ideal for demanding industrial applications.
- Low Outgassing: The material minimizes the release of gases, crucial for high vacuum environments such as in semiconductor or aerospace applications.
- High-Temperature Stability: It maintains its sealing properties across a wide temperature range, ensuring consistent performance under varying conditions.
- Excellent Sealing Performance: It offers a tight seal, preventing leaks in vacuum systems and maintaining system efficiency.
- Durability: Resistant to wear, aging, and deformation, providing long-lasting performance in harsh environments.
What Can DDFGNBH Be Used for?
- Semiconductor Manufacturing: In vacuum chambers and equipment used for processes like etching and deposition.
- Aerospace: For sealing components in spacecraft, satellites, and vacuum chambers exposed to extreme conditions.
- Vacuum Pumps and Systems: Ensuring tight seals in systems that operate under low pressure to prevent leaks.
- Analytical Instruments: Used in high-performance vacuum systems such as mass spectrometers or electron microscopes.
- Medical Equipment: In devices that require sterilization or operate under vacuum conditions, ensuring reliable sealing.




