EVA (Ethylene-Vinyl Acetate) is a type of copolymer material that is known for its versatility and various properties. While EVA itself is water-resistant, it is not entirely waterproof.
EVA has a closed-cell structure, which means it has low water absorption and can resist moisture to some extent. It is commonly used in applications where water resistance is desirable, such as in the production of footwear, athletic mats, or flotation devices.
However, it’s important to note that EVA is not completely impervious to water. Over time, prolonged exposure to water or submersion may cause it to absorb some moisture. Additionally, the seams, joints, or connections within an EVA product may be vulnerable to water penetration if they are not properly sealed or protected.
Therefore, while EVA provides a certain level of water resistance, it is not considered fully waterproof. If you require a material with high waterproof properties, there are other options available, such as rubber or certain types of plastics specifically designed for waterproof applications.
More materials can be found here: https://www.eva-block.com/products/.