Ethylene Vinyl Acetate (EVA)

Ethylene Vinyl Acetate (EVA)

Ethylene Vinyl Acetate (EVA) is a versatile copolymer of ethylene and vinyl acetate, offering a unique combination of flexibility, durability, and impact resistance. EVA is used in a wide range of applications, from footwear and packaging to solar panels and adhesives. The properties of EVA can vary significantly depending on the percentage of vinyl acetate content, which affects flexibility, transparency, and adhesion. EVA’s adaptability and durability make it an essential material in many industries.

Types and Grades of Ethylene Vinyl Acetate (EVA)

1. Low Vinyl Acetate Content EVA (4-10% VA): EVA grades with a lower percentage of vinyl acetate (typically between 4-10%) are more rigid and exhibit properties similar to polyethylene (PE). These grades are often used in applications that require toughness and chemical resistance. They are ideal for products such as:
   • Packaging films for food products and industrial goods
   • Wire and cable insulation due to their high mechanical strength and durability
   • Extrusion coatings for flexible packaging applications
2. Medium Vinyl Acetate Content EVA (10-20% VA): EVA grades with medium vinyl acetate content (10-20%) offer a good balance between flexibility and toughness. These grades are more flexible and offer better impact resistance and transparency, making them suitable for applications such as:
   • Footwear components, including midsoles and insoles
   • Adhesives and sealants, especially hot melt adhesives used in packaging, woodworking, and bookbinding
   • Blown films for packaging where transparency and flexibility are required
3. High Vinyl Acetate Content EVA (20-40% VA): EVA grades with high vinyl acetate content (above 20%) are much more flexible, rubber-like, and exhibit better clarity, impact resistance, and sealing performance. These grades are used in high-performance applications such as:
   • Solar panel encapsulation for protecting photovoltaic cells from moisture, UV radiation, and environmental stress
   • Foam products for sports equipment, padding, and impact protection (yoga mats, protective gear)
   • Injection molding applications for producing flexible, durable consumer goods and toys

Key Applications of Ethylene Vinyl Acetate (EVA)

1. Footwear: EVA is a preferred material in the footwear industry due to its lightweight, shock-absorbing, and cushioning properties. EVA is used in making shoe midsoles, insoles, and outsoles, offering flexibility and durability, especially in athletic shoes and sandals.
2. Packaging: EVA is commonly used in the production of flexible packaging materials, such as shrink films, stretch wraps, and lamination films. Its transparency, flexibility, and moisture resistance make it ideal for food packaging and industrial packaging applications.
3. Solar Panels: EVA is critical in the solar industry as an encapsulant material for photovoltaic (PV) modules. EVA films are laminated over solar cells to protect them from environmental damage and stress, enhancing the longevity and efficiency of solar panels.
4. Adhesives and Sealants: EVA is widely used as a base material for hot melt adhesives due to its excellent adhesion, fast setting time, and flexibility. These adhesives are popular in packaging, bookbinding, and automotive applications.
5. Foam Products: EVA foam is used in products such as sports equipment, mats, padding, and toys due to its lightweight, shock-absorbing, and water-resistant properties. EVA foam is also widely used for impact protection and cushioning in packaging applications.
6. Electrical Applications: EVA’s excellent insulation properties make it an ideal material for wire and cable coatings, providing flexibility and durability in harsh environmental conditions.

Why Choose Sayverse for Ethylene Vinyl Acetate (EVA)?

At Sayverse, we offer high-quality Ethylene Vinyl Acetate (EVA) in various grades, tailored to meet the needs of different industrial applications. Our EVA products are sourced from reputable manufacturers who maintain strict quality control to ensure consistent performance. Whether you are producing footwear, packaging, solar panels, or adhesives, Sayverse is your trusted partner for EVA supply.

Packaging and Delivery

We offer Ethylene Vinyl Acetate (EVA) in standard packaging options, including bags on pallets. Our efficient logistics network ensures timely delivery to your production facilities, whether you are in Turkey, Europe, or beyond.

Technical Information:

• CAS Number: 24937-78-8
• Preferred IUPAC Name: Poly(ethylene-co-vinyl acetate)
• Other Names: EVA, Ethylene Vinyl Acetate Copolymer