All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
(42075 products available)
Ready to Ship
Ethylene-vinyl-acetate is what we mean when we say EVA. EVA film is a polymer resin that is injected into a liquid state to produce films. There are several types of EVA films based on their unique composition and structure. They are often used in diverse commercial settings.
They include the following:
Cle EVA Film
The cle EVA film is a colorless, transparent film that is known for its clarity and gloss. It is used to enhance the visual appeal of products. Because it is transparent, it provides a view of the product it encloses. It is often used for packaging consumer goods, medical supplies, and protective gear.
Frosted EVA Film
The frosted film has an opaque appearance that provides a translucent view of materials. Its textured surface can reduce light transmission. This effectively gives frosted film the quality of not allowing easy see-through. That is why it is primarily used in premium packaging. Examples include cosmetics and perfumes.
Colored EVA Film
Colored EVA films come in wide varieties of colors, ranging from mild to deep saturation. These colored films are very effective in adding additional charm to packaging. They are useful in sectors where brand identity is critical. Such sectors include consumer goods, retail, and fashion.
Glitter EVA Film
This film is incorporated with glitter particles. As such, it adds a touch of shimmer and sparkle to any surface. It is ideal for decorative packaging, crafting, and promotional items. It fits those who want to achieve a flashy effect.
EVA Film with Special Effects
These effects can be embossing, hot stamping, or metallic finishes. These films allow for customizations that enhance their appeal. These films cater to particular markets that lean toward unique designs. Examples are luxury packaging or high-end greeting cards.
The EVA film consists of ethylene-vinyl-acetate copolymer. This copolymer is heavily praised for its flexibility, clarity, and adhesive properties. These properties are affected by some factors. They include the film's thickness, composition, and manufacturing technique.
The film comes in various thicknesses, ranging from 0.1 mm to 1 mm or more. The common feature of thicker films is that they are tougher and more durable. They also provide higher levels of cushioning and support. Because of this, they are primarily used in industrial and commercial applications.
Conversely, thinner films provide more flexibility and transparency. They are recommended for packaging and decorative purposes where clarity is highly sought after.
The optical properties of EVA films are significantly affected by the film's composition and processing temperature. This means that different ratios of ethylene and vinyl acetate can create distinct film characteristics.
These characteristics can range from low temperature flexibility to higher film strength. The typical vinyl acetate content ranges from 10% to 40%. When the content increases, the film becomes more flexible. It also becomes adhesive at low temperatures. That means adding an ethylene content enhances chemical resistance and UV stability.
The processing temperature must be considered when manufacturing these films. Excess heating degrades the polymer. However, insufficient heating will not allow it to melt properly. This, in turn, affects the film's optical quality and mechanical properties.
As such, film extruders must pay attention to this to ensure consistent product quality is achieved.
The versatile nature of EVA films enables their use in several contemporary endeavors. These endeavors are usually determined by the film's variety and the unique requirements of the various industries.
Protective Packaging
One of the most notable uses of EVA films is in the making of protective packaging. These films are comfortable and transparent, which makes them suitable for safeguarding delicate goods during transit. They are cushioned and are worn on fragile items like glassware, electronics, and medical supplies.
Footwear Manufacturing
The footwears we have today with soles that are comfy and flexible do not come easily. EVA films are primarily credited with the creation of such footwear. These films are also used in insoles and shoe linings to promote comfort. In addition to that, they provide shock absorption and lightweight features.
Automotive Applications
Many automobile features like seats, door panels, and headliners need some comfort. EVA films are used to provide this comfort. They can also be used in window lamination to ensure safety. This quality also allows for UV protection and sound insulation. These films are the go-to choice manufacturers look for, particularly in value-added interior applications.
Solar Laminates
EVA films are renowned for their role in the solar energy sector. They act as adhesives that bind solar cell components together to offer encapsulation. The EVA films provide weather and moisture resistance that guarantees longevity.
Medical Devices
The medical field cannot ignore the usefulness of EVA films. It is those films that provide a safety and flexible sheath for several medical devices like catheters and tubing. Their resistance to sterilization means these films effectively preserve the integrity of medical equipment.
Crafting and Customization
EVA films are commonly used in crafting. This feature is especially true for glitter and colored films. They contribute heavily to the making of custom decorative items. These items can be stickers, greeting cards, and promotional merchandise. These films are preferred for providing crafters with endless customization possibilities.
It's crucial to care for EVA films correctly. Doing so ensures they maintain their integrity and functionality over time. Thankfully, these films are durable and versatile in several settings. These features make them a great option for many applications.
Typically, EVA films are available in thicknesses ranging from 0.1 mm to 1 mm. In rare occasions, they go way thicker. These films can come either clear or colored, as one can prefer. They can be infused with glitter or made frosted for some added designs. These films are strong, flexible, and resistant to UV light and various chemicals.
Again, they come with adhesive properties that make them ideal for lamination purposes. They offer a view of the object inside and can be used in packaging, automotive parts, and medical devices. It can also be used in solar panels.
When dealing with packaging or crafts, it is important to prevent dust and other particles from settling on the film. This can lead to some scratches or even ruin its overall aesthetic beauty. Simply use a soft brush or cloth to get rid of this menace.
Solvents like alcohol should never come in contact with EVA films. We cannot emphasize this enough. Such solvents tend to destroy the film’s surface and its inherent properties as well. One should also avoid exposure to high temperatures. That is above 80°C since it can cause deformation of the film.
One of the main advantages of EVA films is their ease of maintenance. Just clean it with mild soap and water with a soft cloth if it happens to get dirty. This will not damage it at all. Ensure it is air-dried or towel-dried afterward.
On the other hand, if one is in possession of an EVA film roll, it is important to check its status constantly. Whether one got an unexposed or exposed film, they should be stored in cool and dry environments seamlessly away from direct sunlight. Storing them in a temperature-controlled room will come in handy in extending their lifespan.
Last but not least, packaging them in polybags or cardboard sleeves will help preserve the film from dust and dirt. As a result, the film will be in mint condition by the time a new customer gets it.
EVA films are made of ethylene and vinyl acetate copolymer. These two compounds are neatly blended in varying proportions, depending on the purpose of the film.
They offer cushioning and shock absorption when used for protective packaging. They also create flexible and comfortable footwear and car interiors in a different setting. EVA films are even used to encapsulate solar panels.
Outdoors is no exception to the versatility of EVA films. They are resistant to UV rays and weather elements. This feature makes them suitable for outdoor applications. For instance, EVA films inside solar panels can withstand environmental exposure for long durations.
Yes, EVA films are recyclable. They can be recycled although they have not reached the notorious level of some other plastics.
