How high temperature can a silicone rubber sealing ring withstand?

Table of Contents

Introduction

Silicone sealing rings are mainly used for daily necessities such as crispers, lunch boxes, cups, ovens, water dispensers, kettles, etc., which require waterproof sealing and storage. If the sealing ring is missing, the sealing performance of these items will be lost and the significance of their existence will be greatly reduced. Silicone sealing ring is a highly active adsorption material that will not mix with any solvents such as water.

It has a very stable chemical structure, is non-toxic, odorless, elastomeric materials,has high tensile strength and does not fade. It is currently an ideal choice for sealing ring materials and is also in line with the concepts of low-carbon, environmentally friendly and sustainable development. In many occasions, we often need to use high temperature silicone sealing rings, which have strong high extreme temperatures resistance. So what is the high temperature resistance of silicone sealing rings? Let’s take a look.

Temperature Resistance of Silicone Rubber Seals

Understanding the Limits

When considering whether silicone rubber seals are appropriate for certain uses, it is important to think about their maximum operating temperature. This phrase means the highest temperature that a material can reach for a set amount of time and still work well – without its qualities breaking down too much. Although there isn’t one exact maximum operating temperature for all types of silicone rubber seal, because different jobs need different kinds of silicone rubber material, each does have its own limit.

Generally, silicone rubber seals can handle a broad temperature range, typically from as low as -55°C (-67°F) to as high as 300°C (572°F) for continuous use. Some specialized formulations of silicone rubber can even withstand temperatures slightly above 300°C for continuous temperatures or intermittent use, showcasing the material’s adaptability to extreme conditions.

What are the characteristics of silicone rubber sealing rings?

Silicone sealing ring is a sealing material made of silicone rubber. Its performance characteristics are silicone withstand high aging resistance, weather resistance and heat resistance. The withstand extreme temperatures of silicone sealing rings is also one of its biggest features. The high temperature resistance of silicone sealing rings is generally around 250-300 degrees Celsius.

At the same time, due to the special structure and chemical properties of the silicone sealing ring, its corrosion resistance under high temperature conditions is also excellent. This makes it have excellent sealing performance and reliability in harsh environments such as high temperature and high pressure.

1.It has good sealing performance and is waterproof and leak-proof;

2. Good fresh-keeping effect, completely non-toxic and tasteless;

3. It can be heated at high and low temperatures, without deformation or producing harmful substances;

4. After special inspection and testing, it was found that the silicone rubber sealing ring has good tensile strength.

5. It will not turn yellow or fade after long-term use;

6. Good corona resistance, arc resistance, high and higher temperatures, low temperature resistance, and aging resistance.

Things to note when using silicone rubber seals

Do not use it for a long time at temperatures below minus 5°C;

Do not wipe the silicone rubber sealing ring with a cloth containing oil or other solvents;

Do not use it in flammable and explosive environments;

Do not place the silicone rubber sealing ring in an environment above 180℃ or below -55℃;

Do not use in humid environment;

Do not use inappropriate types or specifications of silicone rubber sealing rings;

Do not expose the silicone rubber sealing ring to air or water for a long time;

Do not cut the silicone rubber sealing ring for use;

Do not mix with silicone rubber sealing rings of other rubber materials. (especially different materials);

Do not use silicone rubber seals in pressurized environments.

Conclusion

Silicone sealing ring is a sealing material with good sealing performance and high temperature resistance. Silicone o rings can generally withstand fairly high temperatures, depending on the specific type and formulation of the silicone.

The high temperature resistance of silicone sealing rings enables them to maintain their elasticity and sealing properties in various high and low temperature environments both. Therefore, they are often widely used in high temperature industrial applications, automotive engine sealing and other fields.

To sum up, the silicone sealing ring is a silicone product with simple structure and convenience. The production requirements for silicone sealing rings are not difficult, they only need to reach environmentally friendly food grade. Silicone sealing rings of high quality are non-toxic, harmless and odorless and will not cause harm to the human body. This is an introduction to the high temperature resistance of silicone sealing rings.

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