About Ethylene Vinyl Acetate CopolymerEVA
Ethylene Vinyl Acetate Copolymer(EVA)
- CAS No.: [24937-78-8]
- Description : White pellets
- Wt % of vinyl acetate stabilizer : 40 25 18
- LOD (%) : 1 max 2 max 2 max
- Stabilizer BHT in ppm 700 250 --
Superior Flexibility and Impact ResistanceEVA Copolymer stands out for its remarkable combination of flexibility and high impact resistance. These qualities, along with excellent elongation at break and tensile strength, make it a preferred material for products subjected to regular stress and deformation, such as footwear components, flexible films, and shock-absorbing foams.
Versatile Processing and ApplicationsThis copolymer is engineered to facilitate a range of processing methods including injection molding, extrusion, blow molding, and calendering. Its adaptability ensures easy integration into different manufacturing lines, making it ideal for producing adhesives, cable insulation, automotive parts, and much more.
Stability and Safety AssuredEVA is stable under normal storage and operating conditions, providing self-extinguishing properties and low moisture absorption. It is non-poisonous, odorless, and offers good UV resistance, ensuring both product safety and longevity in various environments.
FAQs of Ethylene Vinyl Acetate CopolymerEVA:
Q: How is EVA Copolymer typically processed in manufacturing environments?
A: EVA Copolymer is compatible with several processing methods, including extrusion, injection molding, blow molding, and calendering. Its uniform granule form ensures smooth operation in these machines, making it convenient for a variety of industrial production techniques.
Q: What are the main advantages of using EVA Copolymer for end products?
A: The key benefits of using EVA Copolymer include excellent flexibility, high impact resistance, remarkable clarity, and UV stability. These characteristics lend it to durable and aesthetically appealing products such as shoe soles, cable insulation, and protective films.
Q: When should EVA Copolymer be preferred over other plastic materials?
A: EVA Copolymer is best suited when applications demand a combination of flexibility, resilience to impact, self-extinguishing flammability, and very low moisture absorption. It outperforms many alternatives in environments where these properties are essential.
Q: Where can EVA Copolymer be stored to ensure product longevity?
A: To maintain quality, EVA Copolymer should be stored in a cool, dry area away from direct sunlight. Proper storage prevents any degradation, helping to preserve its physical and mechanical qualities throughout its shelf life of up to 2 years.
Q: What common items are manufactured using EVA Copolymer?
A: EVA is widely used in a variety of products, including shoe soles, hot melt adhesives, foam sheets, cable insulation, and flexible films. It serves as a fundamental raw material in many industries due to its versatile performance properties.
Q: How does the vinyl acetate content influence EVA Copolymer properties?
A: Vinyl acetate content, which ranges from 10% to 40% depending on the grade, primarily affects the flexibility, softness, and clarity of the EVA. Higher content typically leads to enhanced flexibility and transparency, while lower content may provide increased toughness.
Q: What are the health and safety considerations when handling EVA Copolymer?
A: EVA Copolymer is non-toxic, odorless, and considered safe when handled under normal industrial conditions. It is not poisonous or hazardous and, thanks to its self-extinguishing nature, presents minimal fire risk in most environments.