Description of 300℃ FFKM Rubber O-Rings
Advantages
300°C FFKM rubber O-rings have the following special features:
- Extremely high-temperature tolerance: It can be used stably for a long time in a high-temperature environment of 300°C. Even if the temperature reaches higher in a short period, the sealing performance will not be lost. This is unmatched by most other rubber materials.
- Excellent chemical resistance: Due to the use of perfluorinated polymer materials, it has excellent corrosion resistance to most chemicals, solvents, acids, and alkalis, and can maintain a stable seal in harsh chemical environments.
- Excellent mechanical properties: Even at high temperatures, FFKM materials can still maintain good mechanical properties such as hardness, compression permanent deformation, and tensile strength to ensure sealing reliability.
- Excellent aging resistance: FFKM material has excellent resistance to heat, oxidation, radiation, and other factors, and can be used in high-temperature environments for a long time without losing basic properties.
- Wide range of size specifications: A variety of standard and customized O-ring sizes are available according to different equipment and applications to meet different sealing needs.
- Non-toxic and non-polluting: FFKM materials are non-toxic and non-polluting, and can also be widely used in industries with strict hygiene requirements such as food and medical care.
Application scenarios
1. Chemical processing: FFKM rubber O-rings can withstand the attack of more than 1,600 chemicals, including ethers, amine compounds, ketones, oxidants, organic solvents, fuels, acids alkalis, etc. This makes them ideal for use in chemical processing environments, especially in applications where chemicals need to be sealed to prevent leakage.
2. Semiconductor and microelectronics industry: During the semiconductor wafer manufacturing process, FFKM rubber O-rings can be used in sealing systems to prevent corrosion from corrosive chemicals.
3. Oil and gas industry: 300°C FFKM rubber O-rings can resist extreme temperatures and chemical corrosion and are suitable for the oil and gas recovery industry, especially in underground operations, where they can provide excellent sealing performance.
4. Pharmaceutical industry: Since FFKM O-rings have excellent resistance to a variety of chemicals, they are also widely used in the pharmaceutical industry, especially in applications that require sealing of drugs and chemicals.
5. Aerospace: FFKM O-rings can maintain performance in extreme temperatures, so they also have applications in the aerospace field, especially in systems that need to be sealed to prevent fuel and lubricant leakage.
6. Industrial applications: FFKM O-rings can be used in a variety of industrial applications, including pumps, valves, and other equipment that require sealing to prevent fluid leakage.
7. Static and dynamic sealing: In chemical wet processes, FFKM O-rings can be used for static and dynamic sealing, such as filter seals, drainage seals pickling tanks, etc.
Key technical points
The manufacturing process and quality control of 300°C FFKM rubber O-rings involve the following key technical points:
- Formula proportion control:
The formula ratio of FFKM materials is the key, and the ratio of various chemical components needs to be precisely controlled to ensure that the final product has excellent high-temperature resistance and chemical resistance.
- Mixing process control:
Through high-precision mixing equipment and strict process parameter control, it is ensured that the molecular chain structure, cross-linking density, and other indicators of FFKM rubber meet the requirements.
- Molding process control:
Precision injection molding or calendering and other molding processes are used to ensure that the size, shape, surface quality, and other indicators of FFKM O-ring products meet standards.
- Post-processing controls:
Including drying, post-crosslinking, and other post-processing processes to further improve the mechanical properties and high-temperature resistance of FFKM rubber.
- Testing and Quality Control:
Conduct comprehensive physical and chemical performance testing on raw materials, intermediate products, and finished products to ensure that various indicators are stable and reliable.
Establish a complete quality management system to monitor the entire process from raw material procurement to finished product delivery.
- Clean manufacturing environment:
FFKM rubber O-rings are produced in a dust-free workshop to avoid contamination from external impurities.
To sum up, the manufacturing of FFKM rubber O-rings requires key technologies such as fine formula design, process control, and detection methods. Only by fully mastering these technologies can the excellent performance and stability of the product be guaranteed.
Physical property information
| Mechanical Properties | Ratings (Metric) |
Ratings (Imperial) |
Test Methods |
| Hardness (Shore A) | 60 - 70 | 60 - 70 | ASTM D2240 |
| Ultimate tensile strength | 9.00 MPa | 1310 psi | ASTM D412 |
| Elongation (at break) | 180 % | 180 % | ASTM D412 |
| 100% Modulus | 0.00470 GPa | 0.682 ksi | ASTM D412 |
| Tear strength | 3.06 kN/m | 17.5 pli | |
| Permanent compression | 40% @Temperature 204 °C |
40% @Temperature 399 °F |
70 hr at 204°C; ASTM D395B; Pellets |
| Electrical Properties | Ratings (Metric) | Ratings (Imperial) | Test Methods |
| Resistivity | 5.00e+17 ohm-cm | 5.00e+17 ohm-cm | |
| Dielectric constant | 4.9 @Frequency 1000 Hz |
4.9 @Frequency 1000 Hz |
|
| Dielectric strength | >= 17.7 kV/mm | >= 450 kV/in | |
| Dissipation factor | 0.0050 @Frequency 1000 Hz |
0.0050 @Frequency 1000 Hz |
|
| Thermal Performance | Rating (Metric) | Rating (Imperial) | Test Method |
| Maximum operating temperature, Air | 327 °C | 621 °F | |
| Minimum operating temperature, Air | -20.0 °C | -4.00 °F |
If you would like more information about this product, please contact us.
Hot Tags: 300℃ ffkm rubber o-rings, China 300℃ ffkm rubber o-rings manufacturers, suppliers, factory, Round Wiring Harness Grommet, Piston Rod Seals, O rings Seals For Car Doors, Rubber Gummiformteile, Air Conditioner FVMQ Sealing O Rings, Pneumatic Seals
