What Is Eva Material In Plastic
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What is eva material in plastic. Perhaps most surprising though is the presence of eva in trace amounts within cigarettes and nicotine transdermal patches. Ethylene vinyl acetate also known as eva is an elastic polymer material that is similar to rubber. Eva which stands for ethylene vinyl acetate eva is a material that is popularly known as expanded rubber or foam rubber. The eva copolymer which has a medium proportion of va approximately 4 to 30 is referred to as thermoplastic ethylene vinyl acetate copolymer and is a thermoplastic elastomer material.
What is eva plastic. Eva usually contains no more than 40 percent vinyl acetate by weight with the rest of the polymer being ethylene. Eva foam material appears softer and has a foam texture in comparison to pvc. Plastic model kits have eva in their parts and eva is also frequently involved in the process of waterproofing and conditioning leather and products crafted from leather.
There are three different types of eva copolymer which differ in the vinyl acetate va content and the way the materials are used. Biodegradable ethylene vinyl acetate eva plastic is the copolymer of ethylene and vinyl acetate polymers. Ethylene vinyl acetate eva also known as poly ethylene vinyl acetate peva is the copolymer of ethylene and vinyl acetate the weight percent of vinyl acetate usually varies from 10 to 40 with the remainder being ethylene. Added during the manufacturing process ecopure enhances the biodegradability of eva plastics and shortens the time plastics that have been disposed of remain in landfills.
More benefits of peva material. Eva is flexible has good clarity and is resistant to ultraviolet radiation. It is resistant to cracks and ultraviolet radiation. It s an extremely elastic material that can be processed like other thermoplastics.
Eva foam is the acronym for the closed cell ethylene vinyl acetate copolymer foam used as an effective substitute for a variety of materials used in production. It is a suitable substitute for natural rubber vinyl neoprene polyurethane and pvc foams wood composites felts fiberglass and mineral wool. The material has low temperature toughness stress crack and uv radiation resistance.