Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of vacuum o-ring in China, also supports customized service. Please feel free to buy high quality vacuum o-ring for sale here from our factory.
Vacuum O-Ring technical data
Material：PU
| Common Durometers | Tensile (psi) | 100% Modulus (psi) | 300% Modulus (psi) | % Elongation at Break | DieC Tear (D624) in pli | Split Tear (D1938) in pli | Compression Set | Rebound % | Operating Temp (Gen) |
| 93-97A | 7500 | 2200 | 5000 | 350 | 545 | 130 | 32 | 48 | -80℉ to 200℉ |
| 90A | 6480 | 1100 | 2100 | 450 | 455 | 110 | 30 | 48 | -80℉ to 200℉ |
| 81-85A | 5300 | 780 | 1400 | 580 | 270 | 60 | 28 | 60 | -80℉ to 200℉ |
| 71-80A | 2835 | 460 | 800 | 560 | 250 | 30 | 31 | ND | -80℉ to 200℉ |
| 65-70A | 2500 | 360 | 555 | 600 | 215 | 25 | 23 | ND | -80℉ to 200℉ |
What is Vacuum O-Ring
A vacuum O-ring is a kind of seal used in a vacuum environment. Its material is usually rubber or silicone, which has good elasticity and sealing performance.
Its working principle is to rely on its elasticity and closeness to closely cooperate with related components to achieve effective sealing.
Advantages of Vacuum O-Ring
1. Strong sealing performance: Vacuum O-ring has excellent sealing performance, which can effectively prevent the leakage of gas or liquid and ensure the vacuum degree of the system.
2. Strong adaptability: O-rings have wide applicability and can adapt to various pressure and temperature conditions, as well as mating surfaces of various materials and shapes.
3. Good stability: O-rings have good stability and reliability, and can maintain stable performance and lifespan over long periods of use.
4. Good elasticity: O-rings have good elasticity and can adapt to mating surfaces of various shapes and sizes to ensure a sealing effect.
5. Wide scope of application: Vacuum O-rings are suitable for various vacuum equipment, such as vacuum pumps, vacuum coating equipment, vacuum packaging machines, etc., and are also suitable for sealing and protection in various industrial fields.
Application Scenarios
1. Vacuum pump: A vacuum pump is a device used to generate a vacuum environment. Vacuum O-rings are widely used in various types of vacuum pumps, such as rotary vane vacuum pumps, slide valve vacuum pumps, etc., to prevent gas or liquid from leaking.
2. Vacuum coating equipment: Vacuum coating equipment is a device that coats materials in a vacuum. O-rings are used to prevent gas or liquid leakage and ensure the smooth progress of the coating process.
3. Vacuum packaging machine: The vacuum packaging machine is a device used for vacuum packaging of products. The use of O-rings can prevent gas leakage and ensure the quality and safety of the product.
4. Laboratory equipment: There is much equipment in the laboratory that requires the use of vacuum technology, such as vacuum drying ovens, vacuum furnaces, etc. O-rings play an important sealing role in these equipment, ensuring the performance and safety of the equipment.
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