Why say EVA film is very cost-effective for laminated glass?

EVA (Ethylene Vinyl Acetate) film is considered cost-effective for laminated glass due to several reasons:
Lower Investment and Operating Cost: Unlike PVB (Polyvinyl Butyral), which requires a clean room with controlled humidity and temperature for the assembly of PVB film in between two pieces of glass, EVA film does not require such conditions. This makes the production process of EVA laminated glass less expensive and more efficient. Versatile Design and Safety Properties: EVA film provides versatile design and safety properties that match today’s architectural and decorative needs. It can be used for a variety of applications, including window and door, conference room, hospital, school, hotel, and function room, among others. High Moisture Resistance: The chemical composition of the cross-linking of EVA interlayer allows the internal molecules to generate three-dimensional connections, thus ensuring an additional degree of protection for all architectural elements exposed to exceptional conditions, such as high temperatures, high humidity, and extreme weather conditions. Good Optics Transparency: EVA film has values close to the extra clear glass, providing excellent transparency.Cost-Effective Option: Compared to other interlayers, EVA is a cost-effective option. This is because EVA film is less expensive to produce and requires less equipment and resources for the manufacturing process. Good Fluidity: Due to the good fluidity of EVA film, it can laminate some metal materials or silk in the middle interlayer, which can be subjected to a process such as wire drawing and engraving in the film layer to produce a beautiful decorative glass with a pattern. Combination with Other Materials: EVA film can be combined with other materials to improve the properties and also for decorative purposes. This makes it a versatile material for various applications.
In conclusion, the cost-effectiveness of EVA film for laminated glass is due to its lower production costs, versatile design and safety properties, high moisture resistance, good optics transparency, good fluidity, and the ability to combine with other materials.