Evazote Foam Washers

Evazote Foam Washers

Evazote Foam Washers

Evazote foam washers can be manufactured here at Advanced Seals & Gaskets Ltd using our extensive storage facilities which allows us to stock Evazote on blocks, sheets and rolls in a range of densities and colours all ready to be cut into bespoke washers. Evazote® Foams are closed cell cross-linked ethylene copolymer foams, and look almost identical to Plastazote variants, however Evazote foams are stronger and more resilient due to the EVA (ethylene vinyl acetate) added to the raw compound. Evazote or EVA foams are produced by a copolymerization reaction between vinyl acetate and ethylene, resulting in a versatile material which can be used as an alternative to other materials such as PVC foam.

As with other polyethylene foams, Evazote foams manufactured in block form which can be split down into sheets of various thicknesses starting from as little as 1.5mm, or rolls - made by joining blocks of material together prior to splitting them, both of which can be used to further convert into washers. Evazote foam washers are all bespoke and made to order, produced using dimensions, samples or drawings provided by our customers, ensuring the final product perfectly fits the application - even offering a small sample run if required. Depending on the size and quantity of the washers required, our production team will select from our range of atoms, autos, travelling head presses, kiss cut pressing machines or for very large or thick washers, we can program our CNC (oscillating knife) to produce the washers in the most efficient way to keep lead times down. Evazote foam is stocked in a range of grades, colours and densities, which can be laminated to other materials or coated with a self-adhesive backing prior to the washers being cut.

Product Enquiry

For information on Evazote Foam Washers please complete the following quick enquiry or call us on +44(0)1384 252555.

    Characteristics of Evazote Foam Washers

    • Colours: Various - Black, White, Blue, Red available as standard. Other colours available as a special order (moq may apply).
    • Densities available: 30kg - 50kg
    • Cell Structure: closed cell
    • Temperature Range: -70℃ - +100℃ (EV)-70℃ - +75℃ (VA)
    • Resistances:  oils, solvents, acids, alkalis, moisture
    • Block Size: 2mtr x 1mtr
    • Conversion/Machinability: components can be machined or moulded
    • Properties: low odour, shock & impact resistance, tear resistant

    Full technical data can be supplied upon request,
    or downloaded from our online portal.

    What are Evazote Foam Washers?

    Evazote foam washers are a flat ring of material, comprising of an Outer Diameter (OD), Internal Diameter (ID) and the thickness, cut from a sheet or roll of material, which is placed between two surfaces in order to create a level surface, to act as a spacer or to be placed between a nut/bolt to spread the pressure when tightened, creating a seal and a snug fit.   Like other polyethylene foams, Evazote is manufactured in block or ‘bun’ form, in a range of densities and colours for use in different applications.  This foam is manufactured under high pressure, high temperature and using Nitrogen expansion to create a high quality material with uniform cell size and is water repellent.  Evazote is a closed cell foam, manufactured using ethylene vinyl acetate, which creates a ‘rubbery/spongy’ feel.  Evazote foam washers are available in 2 grades, but at different densities, an EV and VA, the difference between the two being the proportional makeup of the ethylene vinyl acetate copolymer, EV has a higher VA content and a VA grade which has a lower VA content.

    Why use Evazote Foam Washers?

    Evazote foam washers are available in different densities and colours, cut from sheets or rolls of material depending upon the size and quantity of washers required.  Evazote washers are tough and flexible,  they have a closed cell structure meaning it is impenetrable to air and moisture, meaning it will not absorb liquids or allow them to pass through, also resistant to many chemicals. Although softer than some other plastazote and polyethylene foam washers,  those manufactured using Evazote are more resilient and durable enabling them to absorb impact and pressure without deteriorating or tearing.

    Evazote foam washers can be found widely used within the building and construction industries where they are used to create seals and cushioning or produced for use as swimming floats or boat fenders.   Evazote foam washers are used to fill gaps and irregularities between uneven surfaces, provide a solution to unwanted rattles, noise, vibrations, to seal against air, gas, dust and liquids, and can also be used to cushion between moving parts to reduce friction and damage to components and equipment.   Evazote foam washers can easily be compressed, which is a requirement In order for a washer to work effectively as a gasket as it needs to compress and fill the entire space to create a pressure and air tight protective seal Evazote foams offer vibration and impact absorption, resistances to chemicals and weather/environmental influences, thermal insulation and acoustical properties and buoyancy.

    Different grades of Evazote Foam Washers Available

    • EV30
    • EV50
    • EV45CN -  Conductive Evazote
    • VA35

    Benefits of Using Evazote Foam Washers

    • Lightweight & durable
    • Good impact and shock absorbing properties
    • Water repellent and buoyant
    • Excellent chemical, oils, acids, alkalis and solvent resistance
    • Good thermal insulation
    • Non-toxic and low odour

    Advantages of using Evazote Foam Washers

    Evazote foams are a popular material choice for washer conversion as the material offers  users countless advantageous properties, and is therefore highly utilised in many industries and applications.  Evazote foam is a man-made material, designed  to suit a range of requirements offering features such as being odourless, lightweight, buoyant, non-toxic and offer resistance to many oils, solvents, acids, alkalis, it’s closed cell surface and structure does not allow the absorption of liquids and is easy to keep clean, as well as being weatherproof and UV stable.  Evazote foams are usually the preferred choice  for the production of washers which require excellent recovery from repetitive impact and compression.  Evazote washers offer a wide functioning temperature range, maintaining its properties in temperatures as low as -70°C to as high as 100°C.  Evazote components including washers can be manufactured by block conversion which include processes such as splitting, pressing, die cutting, routering and log cutting, as well as being moulded into a specific profile.  The cost effectiveness, ease of machining and converting this material combined with the flexibility of being also able to buy moulded parts means EV30 foams can be taken and used in a range of applications and industries.


    Have a Question About Evazote Foam Washers

    Please contact us using the form below or by calling us on +44(0)1384 252555.