The success of any process or product depends to a large extent on the quality and reliability of the components used. In this sense, EPDM (Ethylene Propylene Diene Monomer) washers have proven to be a versatile and effective solution for a wide range of industrial applications. In this post, we will explore the use of EPDM washers in the industry, analyzing their unique characteristics and properties.


EPDM washers are made from a thermoplastic elastomer known as Ethylene Propylene Diene Monomer, which is characterized by its excellent resistance to heat, weathering, chemicals and ultraviolet radiation. These properties make the EPDM washers ideal for industrial applications that require high durability and resistance to different environmental conditions. One of the main benefits of EPDM washers is their excellent weather resistance. The material is able to withstand exposure to sunlight, rain, snow, and temperature fluctuations without degrading, ensuring long life even in extreme environments. This property is especially important in outdoor applications such as telecommunications equipment, solar energy systems, and HVAC equipment.

In addition to their weather resistance, EPDM washers offer excellent chemical resistance. This material is capable of withstanding exposure to a wide range of chemicals, primarily inorganics, detergents, alkalis, acids, alcohols, ketones, and glycols. This chemical resistance allows EPDM washers to be used when a secure seal is required in the presence of corrosive substances. Another prominent feature of EPDM washers is their good heat resistance. EPDM washers can withstand temperatures up to +150ºC or 302 °Fahrenheit (in the case of EPDM with specific additives) without affecting their physical or mechanical properties. This makes EPDM washers suitable for applications involving relatively high temperatures, such as engine parts and industrial processing equipment.


EPDM washers are commonly used in a wide variety of industrial sectors. Here are some examples:

  1. Automotive industry: EPDM washers are widely used in the manufacture of all types of vehicles due to their resistance to heat and their ability to seal and dampen vibrations. They are used in refrigeration systems, exhaust systems, door and window gaskets and suspension components.
  1. Construction Industry: In the construction field, EPDM washers are used in sealing applications such as windows, doors, ceilings and ventilation systems gaskets. The weathering and chemical resistance of EPDM ensures long-lasting protection against water infiltration and degradation. This is the reason why EPDM washers are frequently used for fixing architectural, technical and ornamental systems on facades and covers.
  1. Electrical and electronic industry: EPDM washers are used in the electrical and electronic industry to provide:  hermetic seals, protection against moisture and preventing the entry of dust or other particles into electronic compounds. They are used in connectors, switches, control boxes, solar panels and many other components, guaranteeing the integrity of electrical systems and providing an appropriate IP for each application.
  1. Food and beverage industry: EPDM washers are used in food and beverage processing equipment and systems, since they can be manufactured with food grade EPDM. In this case, the washers meet the requirements for hygiene and resistance to chemicals used in the food industry. They are used, among others, in pumps, valves, piping systems and packaging equipment. The metal detectable EPDM washers allow the detection of any particle that may detach from them, thus guaranteeing compliance with the most demanding standards in the sector.
  1. Chemical industry: The chemical resistance of EPDM makes the washers suitable for use in the chemical industry. They are used in chemical processing equipment, such as reactors, heat exchangers, and piping systems. Applications in which they must withstand exposure to aggressive chemicals and high temperatures.
  1. Water sector. With applications in the residential area or in the ​​public works area. Or in their use for toilets and sanitary taps, engineering and civil works, in conduction, channeling, distribution or purification elements. EPDM washers are an essential element in this sector of vital importance for the life of people and the planet.


EPDM washers are key components in the industry due to their unique properties and their versatility in the most diverse applications. Their resistance to weathering, chemicals and heat, along with their durability and reliability, make them a great choice for sealing, watertightness and protection in demanding environments. Through examples in sectors such as the automotive, construction, electronics, food and chemical sectors, we have observed how EPDM washers play a fundamental role in guaranteeing the safety and performance of industrial systems.

In conclusion, the use of EPDM washers in industry offers numerous benefits. From increased durability and resistance to harsh conditions, to effective sealing in the presence of corrosive chemicals. The versatility of EPDM washers makes them a wise choice for a wide range of industrial applications, ensuring efficiency and safety in many industries.

Manufactures Cusell has been, for more than 60 years, specialized in the manufacture of washers in EPDM as well as in any other rubber (silicone washers, viton®, nbr, neoprene,…) or any material that can be transformed into this basic and indispensable element in today’s industry,  WASHERS.