Material Selection Guide for Rubber Seals to Ensure Sealing Effectiveness

As an important component of sealing systems, rubber seals play a key role in various industrial and commercial applications. Choosing the right rubber material is a key factor in ensuring sealing effectiveness and performance. In this article, we will provide a guide to rubber seal material selection to help you make an informed choice.

1. Nitrile rubber (NBR):

Advantages: Good oil resistance, wear resistance and heat resistance, suitable for general industrial applications. The price is relatively low and it is widely used in hydraulic systems, auto parts and other fields.

Application: Suitable for hydraulic seals, O-rings, oil seals and other seals that require oil resistance.

2. Fluorine rubber (FKM):

Advantages: Good high temperature resistance and chemical resistance, excellent oil resistance and solvent resistance. Suitable for high temperature, high pressure and corrosive media environments.

Application: Widely used in high-temperature seals in the automotive, aerospace, chemical and other fields, such as automotive engine seals, aerospace oil seals, etc.

3. Acrylic rubber (ACM):

Advantages: Excellent oil resistance and heat resistance, suitable for sealing applications in high temperature environments. Has good elasticity and dimensional stability.

Application: Mainly used for seals in automobile engines, transmission systems and other components.

4. Hydrogenated nitrile rubber (HNBR):

Advantages: Excellent oil resistance, heat resistance and ozone resistance, as well as good weather resistance and aging resistance.

Application: Mainly used for seals with high requirements on oil resistance and high temperature resistance in the automotive, petrochemical and other fields.

5. Ethylene propylene diene rubber (EPDM):

Advantages: Excellent weather aging resistance and ozone resistance, good water resistance, acid and alkali resistance. Suitable for sealing applications in outdoor environments and high humidity environments.

Application: Mainly used for weather-resistant seals in automobile cooling systems, air conditioning systems, outdoor pipes, etc.

Summarize:

Choosing the right rubber seal material is crucial, as it directly affects the performance, durability and applicable environment of the seal. When selecting seal materials, the appropriate material type and brand should be selected based on specific application requirements and working environment to ensure sealing effect and service life. By fully understanding the characteristics and application scenarios of various rubber materials, you can help you make more informed choices and ensure that your sealing system can operate reliably in a variety of conditions.

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