EVA Cast Film Extrusion Line For Solar Panel Encapsulation line speed ：16m/s

"The Belt and Road" special product EVA Cast Film Extrusion Line For Solar Panel Encapsulation

Collaboration between EVA Photovoltaic Film Industry and Belt and Road Countries Promotes Renewable Energy Development

As a crucial component of photovoltaic modules, EVA (Ethylene Vinyl Acetate) photovoltaic film plays an essential role in advancing renewable energy development and addressing climate change. In recent years, the collaboration between the EVA photovoltaic film industry and Belt and Road countries has become increasingly close, providing new opportunities for the development of local renewable energy industries.

The Belt and Road Initiative aims to strengthen regional connectivity, enhance economic cooperation, promote sustainable development, and facilitate the application and popularization of clean energy. Against this backdrop, the collaboration between the EVA photovoltaic film industry and Belt and Road countries has become a focal point.

Firstly, Belt and Road countries possess abundant solar resources, making them suitable for solar power generation. Moreover, these countries are facing a growing demand for electricity. As EVA photovoltaic film is a critical material for solar panels, its demand has also increased accordingly. The collaboration between Belt and Road countries and EVA photovoltaic film suppliers can meet the increasing development needs in the renewable energy sector.

Secondly, the Belt and Road Initiative facilitates the exchange of technologies and promotes cooperation between countries. The production of EVA photovoltaic film requires advanced technology and equipment. However, some Belt and Road countries are still in the early stages of developing their photovoltaic industries, and their technological capabilities may be limited. Through collaboration with technologically advanced EVA photovoltaic film suppliers, these countries can learn from advanced manufacturing techniques and management experiences, enhancing their local industries' competitiveness.

Furthermore, the Belt and Road Initiative presents new investment opportunities for the EVA photovoltaic film industry. Belt and Road countries require infrastructure construction and energy development. This provides more opportunities for project construction and investment in the EVA photovoltaic film industry. Through cross-border investments and collaboration, EVA photovoltaic film suppliers can introduce advanced production equipment and technologies to Belt and Road countries, driving the development of renewable energy together.

In conclusion, the collaboration between the EVA photovoltaic film industry and Belt and Road countries is closely interconnected and mutually beneficial. The Belt and Road Initiative supports the development of the photovoltaic industry by providing market demand, promoting technology exchange, and offering investment opportunities. This collaboration provides Belt and Road countries with essential materials and technological support necessary for renewable energy development while also driving the globalization of the EVA photovoltaic film industry.

Collaboration between EVA Photovoltaic Film Industry and Belt and Road Countries Promotes Renewable Energy Development

As a crucial component of photovoltaic modules, EVA (Ethylene Vinyl Acetate) photovoltaic film plays an essential role in advancing renewable energy development and addressing climate change. In recent years, the collaboration between the EVA photovoltaic film industry and Belt and Road countries has become increasingly close, providing new opportunities for the development of local renewable energy industries.

The Belt and Road Initiative aims to strengthen regional connectivity, enhance economic cooperation, promote sustainable development, and facilitate the application and popularization of clean energy. Against this backdrop, the collaboration between the EVA photovoltaic film industry and Belt and Road countries has become a focal point.

Firstly, Belt and Road countries possess abundant solar resources, making them suitable for solar power generation. Moreover, these countries are facing a growing demand for electricity. As EVA photovoltaic film is a critical material for solar panels, its demand has also increased accordingly. The collaboration between Belt and Road countries and EVA photovoltaic film suppliers can meet the increasing development needs in the renewable energy sector.

Secondly, the Belt and Road Initiative facilitates the exchange of technologies and promotes cooperation between countries. The production of EVA photovoltaic film requires advanced technology and equipment. However, some Belt and Road countries are still in the early stages of developing their photovoltaic industries, and their technological capabilities may be limited. Through collaboration with technologically advanced EVA photovoltaic film suppliers, these countries can learn from advanced manufacturing techniques and management experiences, enhancing their local industries' competitiveness.

Furthermore, the Belt and Road Initiative presents new investment opportunities for the EVA photovoltaic film industry. Belt and Road countries require infrastructure construction and energy development. This provides more opportunities for project construction and investment in the EVA photovoltaic film industry. Through cross-border investments and collaboration, EVA photovoltaic film suppliers can introduce advanced production equipment and technologies to Belt and Road countries, driving the development of renewable energy together.

In conclusion, the collaboration between the EVA photovoltaic film industry and Belt and Road countries is closely interconnected and mutually beneficial. The Belt and Road Initiative supports the development of the photovoltaic industry by providing market demand, promoting technology exchange, and offering investment opportunities. This collaboration provides Belt and Road countries with essential materials and technological support necessary for renewable energy development while also driving the globalization of the EVA photovoltaic film industry.

1. EVA solar film machine introduction video

If you are interested in this machine, please feel free to contact us for more information and pictures and videos.

2. Introduction of EVA Solar Cell Encapsulation Film Production Line

(1) The EVA Solar Cell Encapsulation Film Production Line of Gwell Machinery Co., Ltd. adopts the casting process to produce EVA Solar Cell Encapsulation Film Production Line. The main raw material is imported vinyl acetate copolymer EVA , added with imported plastic additives and then heated, cast and extruded. The adhesive film is non-sticky at room temperature, and it is convenient for cutting operation. After hot pressing, thermal cross-linking curing and bonding enhancement reaction will occur, resulting in permanent bonding and sealing. It is a novel thermosetting hot-melt adhesive film.

(2) Special EVA Solar Cell Encapsulation Film Production Line for solar modules (photovoltaic modules) and related solar products is used to encapsulate solar panels, which is non-sticky at room temperature and easy to operate. After hot pressing, thermal cross-linking will occur due to chemical and bonding enhancement reaction to produce a permanent adhesive seal. Product features: high light transmittance/high adhesion strength/high light and heat stability/superior volumetric electricity group rate.EVA Solar Cell Encapsulation Film Production Line

(3) Compared with EVA film, the biggest advantage of POE film is low water vapor transmission rate and high volume resistivity, which ensures the safety and long-term aging resistance of the module in high temperature and high humidity environment, and ensures long-term use of components. Specifically, the superior performance of the EVA Solar Cell Encapsulation Film Production Line EVA film is that the POE film is a copolymer of ethylene and octene, is a saturated fatty chain structure, and has fewer tertiary carbon atoms in the molecular chain, showing good weather resistance, UV aging resistance, excellent heat resistance and low temperature resistance, so POE film has better aging resistance than EVA film. Through modification methods such as photo-grafting polar monomer, plasma surface treatment or reactive grafting modification to POE, it can improve the adhesion of POE film and glass, backplate and other materials, and has excellent interfacial adhesion performance.

(4) It is suitable for high-efficiency double-sided batteries, which can effectively enhance the conversion efficiency of the battery. Compared with ordinary single-sided power generation modules, it increases the power generation rate and reduces the cost of electricity. At the same time, the modules can be placed vertically and have more utilization methods. The POE film has a lower water vapor transmission rate and greater cohesion. It is more suitable for double-glass modules, so that the produced double-glass modules do not require edge sealing and have a longer service life.

(5) However, the output of POE film is smaller than that of EVA film, and its raw materials are expensive. But it is the future direction of development.

3. Comparison and introduction of EVA Solar Cell Encapsulation Film Production Line

Because the EVA film has the features of low strength, high water vapor transmission rate and water absorption rate, and its poor weather resistance, it needs to be edge-sealed when used on double glass modules. However, water vapor will still pass through during normal use, resulting in the film atomization which affects the light transmittance and reduces the power generation of the module.

And POE has a new type of polyolefin thermoplastic elastomer with narrow relative molecular mass distribution and narrow comonomer distribution and controllable structure.

There are currently two types of POE film on the market. One is a non-crosslinked polyolefin packaging material that does not contain a crosslinking agent and uses a combination of functional polymers to make the material's heat resistance and adhesion meet the requirements of use. The other is a cross-linked polyolefin encapsulating material containing peroxide cross-linking agent or silane cross-linking agent and tackifier. This kind of film is similar to EVA film in terms of production technology and process.

Compared with EVA film, the biggest advantage of POE film is low water vapor transmission rate and high volume resistivity, which ensures the safety and long-term aging resistance of the module in high temperature and high humidity environment, so that the module can be used for a long time. Generally speaking, the performance of POE film is superior to EVA film.

4. Performance characteristics of EVA Solar Cell Encapsulation Film Production Line

(1)The cast extruder adopts EVA special single screw extrusion and POE special single screw extrusion. The screw barrel constant temperature circulating water cooling system solves the technical difficulties of EVA Solar Cell Encapsulation Film Production Line

(2)The roller body adopts double-sided embossing, and solves the technical difficulties of the film sticking to the roller.

(3)The cooling part adopts cooling rollers and stress-relieving cooling beds to make the film run smoothly and fully shaped to ensure that the shrinkage rate is less than 3%.

(4)The whole line adopts PLC automatic control to realize the operation of man-machine interface.

(5)The production line is equipped with an online quality monitoring and control system to ensure the product qualification rate.

(6)Patented design micro-tension winder, the line speed of the whole machine production line can reach 18m/min

5. Introduction of EPE three-layer co-extrusion solar film

EPE=EVA+POE+EVA, this is a three-layer co-extruded solar film. Compared with single-layer EVA or POE film, it has the advantages of these two products and saves more costs.

Specification of EVA Solar Cell Encapsulation Film Production Line​: 

EVA (Ethylene Vinyl Acetate) / POE (Polyolefin Elastomer) film production line is a specialized manufacturing process for producing high-quality EVA and POE films. EVA and POE films are widely used in applications such as packaging, solar panels encapsulation, laminating, and insulation.

Here are some key points about the EVA / POE film production line:

1. Material formulation and blending: The production line is designed to handle EVA and POE resins and incorporates a blending system to ensure precise formulation and homogenous mixing. This allows manufacturers to achieve the desired film properties.

2. Extrusion process: The production line is equipped with state-of-the-art extruders that melt the EVA or POE resin, and then extrude it through a die to form a continuous film. The extrusion process ensures uniform thickness and consistent film quality.

3. Thickness control: The production line features a thickness control system that accurately measures and adjusts the film thickness during production. This ensures the production of films with tight thickness tolerances, meeting customer specifications.

4. Customizable film width: The EVA / POE film production line provides flexibility in producing films with various widths. This allows manufacturers to cater to different application requirements and market demands.

5. High clarity and transparency: The production line ensures the production of EVA and POE films with exceptional clarity and transparency. The use of high-quality resins and optimized processing parameters results in films that offer excellent optical properties.

6. Adhesive properties: EVA and POE films are known for their excellent adhesive properties. The production line ensures that the films maintain the desired adhesion characteristics, making them suitable for laminating and bonding applications.

7. Heat sealability: The EVA / POE film production line ensures that the films have desirable heat sealability, allowing for easy sealing and packaging applications. The films can be easily sealed to various substrates using heat sealing equipment.

8. UV resistance: EVA and POE films produced on the production line can be formulated with UV stabilizers to enhance their resistance to ultraviolet radiation. This makes the films suitable for outdoor applications that require UV protection, such as solar panels encapsulation.

9. Smooth surface finish: The production line incorporates specialized cooling and polishing systems that result in films with a smooth and uniform surface finish. This ensures optimal performance and appearance in the final application.

10. Inline quality control: The production line is equipped with inline monitoring systems to ensure consistent film thickness, clarity, and other key properties. This facilitates real-time adjustments and prevents the production of defective films.

11. Energy-efficient design: The production line is designed to minimize energy consumption by incorporating energy-efficient components and technologies. This helps reduce operational costs and environmental impact.

12. Easy operation and automation: The EVA / POE film production line features user-friendly controls and automation systems, enabling easy operation and monitoring. This ensures smooth production processes and reduces the likelihood of human errors.

13. Compliance with industry standards: The production line ensures that the EVA and POE films produced meet relevant industry standards and regulations, including safety and environmental requirements.

The EVA / POE film production line offers a reliable solution for manufacturing high-quality EVA and POE films with various properties. Its customization options, along with excellent optical and adhesive properties, make it suitable for a wide range of packaging, laminating, and insulation applications.

Gwell Machinery is a high-tech enterprise, committed to providing customers with plastic sheet, board, film and other extrusion lines. Gwell can provide turnkey projects, such as stone paper project, EVA solar film project, PP building formwork equipment,etc. Gwell has a strong technical equipment strength and key capacity, committed to high-end product development, international market development. “Realize customer value" is the company's long-term business philosophy.The manufacturing bases of the company are located in Taicang, Suzhou, which is close to the beautiful scenery of Shanghai, Yancheng Dafeng, the hometown of Red-crowned crane, and Nantong, the hometown of Education and longevity in China. It covers a total area about 150,000 square meters. It has an annual production capacity of more than 200 extrusion lines of various types of sheet and board.