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Ethylene-vinyl acetate (EVA) is a copolymer made from the combination of ethylene and vinyl acetate monomers. EVA granules possess several key properties and characteristics that make them widely used in various industries. Here are some of the notable properties:
Flexibility: EVA is known for its excellent flexibility, which allows it to be easily molded, shaped, and processed into different forms.
Softness: EVA granules have a relatively low durometer hardness, resulting in a soft and cushioning feel. This property makes EVA suitable for applications that require comfort and impact absorption.
Transparency: EVA can be manufactured in different degrees of transparency, ranging from transparent to opaque, depending on the vinyl acetate content. It is often used in applications where a clear or translucent appearance is desired.
Good weather resistance: EVA exhibits good resistance to ultraviolet (UV) radiation and weathering, making it suitable for outdoor applications. It can maintain its physical properties and color stability even when exposed to harsh environmental conditions.
Chemical resistance: EVA demonstrates resistance to a wide range of chemicals, including acids, bases, oils, and solvents. This property makes it suitable for various industrial applications where contact with chemicals is expected.
Low-temperature flexibility: EVA remains flexible even at low temperatures, making it suitable for applications in cold environments. It does not become brittle or lose its properties when exposed to sub-zero temperatures.
Adhesion: EVA has good adhesive properties, allowing it to bond well with different materials, including fabrics, metals, plastics, and wood. This property makes it useful in applications that require strong adhesion.
Lightweight: EVA is a lightweight material, which is advantageous in applications where weight is a concern, such as in footwear, sports equipment, and packaging.
Thermal stability: EVA has good thermal stability, allowing it to withstand a wide range of temperatures during processing and end-use applications. It can be easily melted, molded, and formed into various shapes.
Electrical insulation: EVA is an excellent electrical insulator, providing insulation and protection against electrical currents. It is used in applications such as electrical cables, wires, and insulation materials.
These properties make EVA granules versatile and widely used in industries such as footwear manufacturing, packaging, automotive, construction, sports equipment, and electronics, among others.
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