Differences in properties
Fluorine rubber (FKM) is a synthetic polymer elastomer containing fluorine atoms on the carbon atoms of the main chain or side chain. Its high-temperature resistance, high chemical stability, weather resistance, oxidation resistance, oil resistance, and very low breathability make it widely used in many industrial fields. The emergence of FKM has greatly promoted the development of sealing technology. Especially in extreme environments such as aerospace, military, chemical, oil, and natural gas, FKM seals play a vital role.
Viton is a kind of intramolecular fluorine rubber, and there are various types depending on the fluorine content, that is, the monomer structure. Viton fluorine rubber has excellent high and low-temperature resistance, corrosion resistance, and good sealing properties, and is widely used in automobiles, machinery, electronics, the chemical industry, and other fields. Its unique feature is that by changing the fluorine content and monomer structure, Viton fluoro rubber with different properties can be customized to meet the needs of different fields.
Characteristic comparison
■ High-temperature resistance
Both FKM and Viton have excellent high-temperature resistance. They can maintain stable physical and chemical properties in high-temperature environments and cannot easily deform, age, or decompose. However, in comparison, Viton performs better in certain high-temperature environments and can withstand higher temperatures. Therefore, Viton seals have more advantages in some extreme high-temperature application scenarios.
■ Chemical resistance
Both FKM and Viton have good chemical resistance and can resist erosion by a variety of acids, alkalis, salts, and other chemicals. However, Viton shows higher performance in terms of resistance to certain chemicals, such as ketones, esters, and other organic solvents. This makes Viton seals more advantageous in certain chemical environments.
■ Patience
In terms of, cold resistance, there are certain differences in the performance of FKM and Viton. Although they both maintain stable performance over a wide temperature range, FKM performs better in low-temperature environments and can withstand lower temperatures. Therefore, FKM seals are more suitable in some situations that need to work at extremely low temperatures.
Differences in Application Fields
Due to the differences in properties and characteristics of FKM and Viton, their application fields are also different.
1. Application of FKM seals
FKM seals are widely used in aerospace, military, chemical, oil and gas, and other fields due to their excellent high-temperature resistance, chemical resistance, and good sealing performance. In the aerospace field, FKM seals are used to make seals for fire engines, satellites, and other equipment to ensure the stable operation of equipment in extreme environments. In the military field, FKM seals are used to manufacture sealing systems for military equipment such as tanks and fighter jets to ensure the safety and reliability of the equipment. In addition, in the chemical and oil and gas fields, FKM seals are important in preventing media leakage and ensuring production safety.
2. Application of Viton seals
Viton seals are widely used in automobiles, machinery, electronics, the chemical industry, and other fields because of their excellent high and low-temperature resistance, corrosion resistance, and good sealing properties. In the automotive field, Viton seals are used to seal key parts such as engines, braking systems, and fuel systems to ensure the safety and reliability of automobiles. In the mechanical field, Viton seals are used to manufacture sealing systems for various mechanical equipment to prevent media leakage and improve equipment working efficiency. In addition, in the fields of electronics and chemical industry, Viton seals also play an important role, providing strong support for the development of the industry.
conclusions
To sum up, there are certain differences in properties, characteristics, and application areas between Viton and FKM seals. FKM seals occupy an important position in aerospace, military, chemical, and other fields with their excellent high-temperature resistance, chemical resistance, and good sealing performance, while Viton seals have excellent high and low-temperature resistance, corrosion resistance, and good sealing properties, they are widely used in automobiles, machinery, electronics, and other fields. When selecting seals, the most suitable sealing material should be selected based on specific application scenarios and needs, taking into account factors such as material performance and cost.
