Fuel Cap O-Ring
| Material | HNBR |
| Relative density | 1.9~2.0g/cm³ |
| Medium | Hydraulic oil, diesel, mineral oil or grease, oxidized hydrocarbons, dilute acid, etc. |
| Accreditation | ISO 9001;IATF 16949;SAE J2643;ASTM D2000 |
Introduction
The fuel cap o-ring is a rubber sealing ring with a circular cross-section. Because its cross-section is O-shaped, it is called an O-type rubber sealing ring, also called an O-ring.
It is specially designed for fuel tank caps of automobiles and other mechanical equipment. Its function is to prevent oil leakage in the tank and external contaminants from entering the tank, thereby keeping the inside of the tank clean and safe.
It is an indispensable sealing component in automobiles and other mechanical equipment. It plays an important role and is widely used.
Test Methods
1. Dimensional measurement: Use vernier calipers or measuring tools to measure the diameter and thickness of the O-ring to ensure that its size meets the requirements.
2. Hardness test: Use a hardness meter to test the hardness of the O-ring to ensure that it meets the requirements.
3. Tensile performance test: Use a tensile testing machine to conduct a tensile test on the O-ring to evaluate its tensile strength, elongation, resilience, and other properties.
4. Compression permanent deformation test: Place the O-ring in a compression testing machine, and after holding it under a certain pressure for a period of time, measure its deformation to evaluate its compression permanent deformation performance.
5. Oil resistance test: Place the O-ring in the oil tank, and after keeping it at a certain temperature and pressure for a period of time, check whether it has cracks, swelling, etc. to evaluate its oil resistance.
6. High-temperature resistance performance test: Place the O-ring in a high-temperature test chamber, and after keeping it at a certain temperature for a period of time, check whether it has deformation, cracking, etc. to evaluate its high-temperature resistance.
7. Corrosion resistance test: Place the O-ring in a corrosion test chamber and keep it in a certain concentration of acid, alkali, salt, and other solutions for a period of time. Then check whether swelling, cracking, etc. occur to evaluate its resistance. Corrosion properties.
8. Sealing performance test: Install the O-ring on the fuel tank cap and perform a sealing performance test under a certain pressure to check whether it can effectively seal the fuel tank.
Features
1. Good sealing performance: The cross-sectional shape of the fuel cap o-ring makes it have good resilience and sealing performance, and can fit tightly on the fuel tank cap, thereby effectively preventing oil leakage and the entry of external pollutants.
2. Oil resistance and corrosion resistance: The O-ring of the fuel tank cap is usually made of rubber materials with good oil resistance and corrosion resistance, such as nitrile rubber or fluorine rubber, which can resist the corrosion and erosion of oil.
3. Wear resistance and high-temperature resistance: The fuel cap o-ring has good wear resistance and high-temperature resistance and can maintain the stability of its structure and performance at higher temperatures.
4. Simple structure and easy installation: The fuel tank cap O-ring has a simple structure, stable dimensions, and easy installation. It can be quickly installed on the fuel tank cap and does not require special tools and equipment.
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