What is the difference between the performance of different types of O-rings?

What is the difference between the performance of different types of O-rings?

Since the O-ring generates stress during extrusion, it has a sealing function. The basic performance required is to maintain a moderate stress within a range that does not cause abnormal deformation. This basic performance should not be lost during use. Synthetic rubber is the most excellent material with this performance. However, the properties of a certain material cannot cover all the difficult-to-solve properties. Therefore, appropriate materials should be selected according to various uses. So what are the characteristics of different types of O-rings? Let the staff of the O-ring manufacturer give you a brief introduction, I hope it will be helpful to you.

Nitrile rubber O-ring: It is the most used representative material. It has excellent oil resistance, abrasion resistance and stable heat resistance. It is resistant to fuel oil such as kerosene and light oil. It is used for general fuel oil. material.

Styrene rubber O-ring: Excellent resistance to animal and vegetable oils in glycol brake fluid and other materials.

Silicone rubber O-ring: It is the most widely used material in synthetic rubber with excellent heat resistance and cold resistance. It is a material with excellent heat resistance, water vapor resistance, and suitable for cylinder liners.

Fluorine rubber O-ring: The material with the best oil resistance, chemical resistance, heat resistance and the widest application range in synthetic rubber.

Acrylic rubber O-ring: It has better heat resistance than nitrile rubber, especially for internal combustion engine oil, gear oil, torque converter oil, etc. It has excellent oil resistance.

Butyl rubber O-ring: Excellent chemical resistance and water resistance, but it is difficult to pass gas. Please do not use in mineral oil.

Neoprene O-ring: a material with excellent weather resistance and Freon gas resistance.

Polyurethane rubber O-ring: It has the characteristics of good mechanical strength, abrasion resistance and oil resistance, but it will age in chemically active oil with extreme pressure additives.

The above is about the relevant content of the O-ring. I hope it can be helpful to you. Thank you for watching.

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