Fluorine rubber O ring
fluorine rubber sealing o ring,fluororubber sealant,we can provide the o rings customization for the requirements.
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描述
fluorine rubber sealing o ring
Fluorocarbon O-ring seals are high-performance sealing components offering exceptional resistance to high temperatures, oils, and chemical corrosion.
Key Characteristics
1. High-temperature resistance: Capable of sustained operation at 200°C, with short-term tolerance of 250–300°C, ranking among the most temperature-resistant rubber materials.
2. Oil and Chemical Resistance: Exhibits exceptional resistance to petroleum-based hydraulic fluids, petrol, acids, aliphatic hydrocarbons, and most solvents, even withstanding aqua regia corrosion.
3. Weather Resistance: Demonstrates outstanding resistance to ozone, atmospheric ageing, and radiation.
4. Limitations: Poor cold resistance (typically -20°C to -40°C), relatively low elasticity and permeability, and comparatively high cost.
Primary Applications
Fluoroelastomer O-rings are extensively employed in demanding industrial sectors:
1. Automotive industry: Sealing for diesel engines and fuel systems
2. Aerospace: High-temperature and corrosion-resistant sealing requirements
3. Chemical processing equipment: Seals for chemical plants, resisting strong acids, alkalis and other chemical media
4. Electronics and machinery: Sealing in high-precision, high-wear environments
5. Other sectors: Marine, petroleum, machinery, mining, power generation, and other industries requiring sealing components
Specifications and Selection
Fluorocarbon O-rings are available in multiple types and specifications:
Material Types: Including VITON® fluorocarbon rubber, FKM fluorocarbon rubber, perfluoroelastomer (FFKM), etc.
Temperature Range: Typically -20°C to 250°C; special formulations may extend to -50°C to 320°C
Pressure Rating: Selection depends on specific application; retaining rings may be required for high-pressure environments
When selecting fluorocarbon O-rings, material selection should be based on specific operating conditions (temperature, medium, pressure, etc.). Installation methods must be observed to prevent scoring, ensuring sealing performance and service life.
