Prepainted Aluminum Coil
Chongqing Heavy Aluminum New Material Technology Co., Ltd is a professional aluminum material manufacturer and supplier with more than 10 years production and experience.
On August 8, 2018, the company's new factory was constructed and put into operation in the new industrial park of Longshui Town, Dazu District, Chongqing with a registered capital of 2018 million CNY.
Covering an area of 35 acres, it is a modern enterprise integrating R&D, design, production, sales and service. The company is committed to the curtain wall aluminum veneer, composite aluminum veneer and other metal decorative materials and aluminum profile spraying processing. Our main products include aluminum alloy plate, imitation stone Board, imitation wood grain board, imitation ceramic board, thermal insulation integrated board, aluminum ceiling, aluminum square pass, aluminum veneer, etc. These products are widely used in aviation aerospace, electronics, electrical, machinery, shipbuilding, transportation, building materials decoration and other fields. Over the years we have earned good reputation in the corporate field with our quality works and well dedicated team. Now we are one of the leading Companies in the field of aluminum. Our products are widely accepted in domestic and exported to various countries in the world.
Why choose us?
High quality
Over the years we have earned good reputation in the corporate field with our quality works and well dedicated team. Now we are one of the leading Companies in the field of aluminum. Our products are widely accepted in domestic and exported to various countries in the world.
Professional team
The company currently has 210 employees. Since its establishment, the company in the line with the concept of meritocracy, focusing on the cultivation of talent reserves, providing excellent employees with a stage for display and performance and a good develop space. After development and promotion, the brand has begun to have advantages, and is now in the stage of developing and expanding.
Advanced equipment
We continue to introduce advanced production equipment at home and abroad, and constantly learn from the domestic and foreign sound production management system, so that our productivity has been vigorously developed and constantly improve, while ensuring the long-term stability and continuous improvement of product quality.
Customized services
Established advanced business philosophy and corporate culture, and the scale of production and operation has continued to grow, relying on international advanced machinery and production lines, we can flexibly produce and process aluminum sheets of various specifications and models according to the different needs of customers.
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PVDF Aluminum CoilAluminium coil is a rolled product, produced in a coiled form of a continuous strip, and has anAdd to Inquiry
What is Prepainted Aluminum Coil
Pre-painted aluminium coils are aluminium coils that have undergone surface treatment before painting. The process involves cleaning the aluminium surface, applying a primer or base coat, and then applying one or more coats of paint or coating. The coating is usually applied using continuous coating technology, ensuring uniform coverage and adhesion to the aluminium surface.
Durability
Prepainted aluminum coils are coated with a protective layer that enhances their resistance to corrosion, fading, and weathering. This makes them ideal for outdoor applications where they can withstand harsh environmental conditions over a long period.
Cost-effectiveness
Although the initial cost of prepainted aluminum coils may be slightly higher than uncoated aluminum, the long-term savings in maintenance and replacement costs can make them more cost-effective. The protective coating reduces the need for frequent repainting or other maintenance measures.
Aesthetic appeal
Prepainted aluminum coils come in a wide range of colors, textures, and finishes, allowing for greater design flexibility and aesthetic appeal. This makes them a popular choice for architectural applications such as building facades, roofing, and cladding.
Lightweight
Aluminum is inherently lightweight, making prepainted aluminum coils easier to handle, transport, and install compared to heavier materials like steel. This also results in reduced structural load requirements for the supporting structure.
Formability
Prepainted aluminum coils retain their formability, making them suitable for bending, cutting, and shaping into complex designs without compromising the quality of the coating. This versatility allows for a wide range of applications.
Environmental sustainability
Aluminum is a highly recyclable material, and prepainted aluminum coils can be recycled multiple times without losing their properties. This reduces waste and promotes environmental sustainability.
Enhanced durability of the paint layer
The painting process of prepainted aluminum coils is carefully controlled to ensure that the paint adheres well to the aluminum surface. This results in a durable paint layer that is less prone to chipping, peeling, or fading over time.
Reduced maintenance
The protective coating on prepainted aluminum coils helps to minimize the need for regular cleaning and maintenance, saving time and money for building owners and maintenance personnel.
Application of Prepainted Aluminum Coil
Building and construction industry
Pre-painted aluminium coils have been widely used in the construction industry due to their lightweight, corrosion resistance and design flexibility. These coils are commonly used in roofing, cladding and facades of residential and commercial buildings. Their ability to withstand bad weather while maintaining their appearance makes them an ideal choice for architectural projects.
Additionally, pre-painted aluminium coils offer a variety of colour options, allowing architects and designers to unleash their creativity.
Transportation and automotive sector
The transportation industry relies heavily on lightweight, durable materials to improve performance and fuel efficiency. Pre-painted aluminum coil is increasingly used in vehicle manufacturing, including cars, trains and ships.
Their high strength-to-weight ratio makes them ideal for applications such as vehicle panels, bodywork and interior components.
Additionally, the anti-corrosion properties of pre-painted aluminum coils contribute to longer vehicle life, reducing maintenance costs over time.
Consumer electronics and appliances
In the consumer electronics and appliances industry, aesthetics and durability are paramount.
Pre-painted aluminum coils are popular for their sleek appearance, resistance to scratches and abrasion, and ease of maintenance. These coils are commonly used in the manufacture of home appliances such as refrigerators, washing machines and air conditioners. The ability to apply custom colours and finishes to pre-painted aluminum coils allows manufacturers to create products that stand out in the marketplace while meeting consumer preferences.
Packaging and labeling
The packaging industry requires materials that are both functional and visually appealing.
Pre-painted aluminium coil is increasingly used for packaging applications due to its ability to create a barrier against moisture, light and oxygen.
Additionally, aluminum’s lightness makes it an environmentally friendly choice for packaging, reducing shipping costs and environmental impact. Pre-painted aluminum coils are used for a variety of packaging solutions, including food and beverage containers, cosmetic packaging and pharmaceutical blister packs.
Renewable energy sector
As the world moves towards renewable energy sources, the demand for durable and lightweight materials in the solar and wind energy sectors is increasing. Pre-painted aluminum coil is used in the manufacture of solar panels, mounting systems and wind turbine components due to its corrosion resistance and ability to withstand harsh environmental conditions. The lightweight nature of aluminum also simplifies installation and reduces structural requirements, making it a cost-effective solution for renewable energy projects.
Process of Prepainted Aluminum Coil
Entry section
The coil is fed to the line and leveled using a tension leveler which is used to ensure an absolutely flat product, the coil entry accumulator. There are two pay off reels, which ensures that a standby coil is always available. When the coil being processed has finished, the coil needs to stop to allow the end of this coil to be either stitched or welded to the leading edge of the new coil, the accumulator then empties to allow a continuous flow of material through the processing section to keep the subsequent process zones of the line running.
Cleaning and pre-treatment
Pre-cleaning of the coil through cascade spraying in alternate directions within different zones, cleaning is thus much more efficient than conventional technologies and water can be re-used, thereby cutting consumption levels. Pre-treatment is essential to increase the corrosion resistance and ensure paint adhesion. The conversion layer is chemically built up on the surface of the aluminium coil during pre-treatment process, and HAOMEI is using the most efficient no-rinse technology to improve the quality, and eliminated wastes.
Coil coating
The coil coating process consists of two stages, one is called primer application and the other is finish coating application. In the first stage, the coil passes though a roller coater machine that applies a primer paint coat to both sides/one side of the coil. After curing and dried, the coil passes though a second roller coater machine which applies the finish coating to both sides/one side. There are essentially two different types of coating- decorative and functional and typical requiring formability, scratch resistance, appearance, weather resistance, printability etc. to achieve different results, the paint system are used: e.g. acrylic primer, polyester, PUR, or PVDF.
Curing
The strip again passes though an oven set at an appropriate temperature to ensure that all the volatiles are removed and that the paint is fully cured. Depending on the paint system, the curing temperature lies between 200~3000℃, and it is the key technology to promise the coating quality. What is more, in order to protect the environment and safe cost, the solvent vapour is burned- off and used to heat the ovens.
Aluminum coil quality
The quality of prepainted aluminum coils has a significant impact on their service life. High quality prepainted aluminum coils use better quality substrates and more suitable coatings, with a uniform, smooth surface without bubbles, wrinkles, hook marks and other defects, which can greatly extend their service life.
Surface treatment
The surface treatment of prepainted aluminum coils is an important step in the manufacturing process, which determines the quality and durability of the surface of prepainted aluminum coils. The surface treatment should ensure smoothness, acid washing for oil removal and rust removal, and the use of phosphating and transfer film coating can improve the adhesion and corrosion resistance of the coating, and to a certain extent, improve the service life of the prepainted aluminum coils.
Coating type and quality
The type and quality of coating on the surface of prepainted aluminum coils are also key factors affecting their service life. High quality coatings should have good weather resistance, wear resistance, corrosion resistance, flexibility, strong adhesion, and other characteristics.
The durability of various coatings also varies, for example, the service life of PE coatings is about 15 years, and the service life of PVDF coatings can reach 30 years.
Application environment
During the use of prepainted aluminum coil, environmental and climatic factors can also affect its service life,such as strong ultraviolet radiation, salt spray environment, and bonding can all affect the service life of prepainted aluminum coils.
The prepainted aluminum coil refers to aluminum coils that are coated with one or several layers of organic coatings such as polyester and fluorocarbon polyester after surface processing, and then baked and cured. There are usually two kinds of paintings: PVDF and PE.
Compared with polyester (PE) coating aluminum coil, fluorocarbon (PVDF) coating aluminum coil has the advantage of long service life. Generally, the service life of PVDF coated aluminum coil can reach more than 20 years while the service life of polyester color-coated aluminum coil is usually about 10 years.
Fluorocarbon color-coated aluminum coil is a product that uses high-quality fluorocarbon paint to coat the surface of aluminum coil. Fluorocarbon paint has better weather resistance and longer service life, and is the first choice for color-coated aluminum coils for outdoor products.
The general production process of coil coating has 5 steps, namely coil input, cleaning and chemical treatment, painting, curing and finished product output. The process layout and equipment composition are different in different cases, but the basic parts are the same.
The quality of the pretreatment (cleaning and chemical coating) determines the quality of the coating and directly affects the flexibility and impact resistance of the coating. It determines the coating adhesion of aluminum trim coil.
The purpose of initial coating, finishing coating and curing is to coat the coating on the surface of the substrate, and volatilize the organic solvent of the coating by heating, so that the organic coating and the substrate are closely combined. Coating and curing directly affect the appearance quality and physical and chemical properties of color-coated aluminum coils, which are the key links in production control.
Aluminum trim coils may have color difference during production and use. Since color difference is affected by various factors such as production batch, color depth, use time, use environment, and purpose, it is usually negotiated by both the supplier and the buyer when ordering.
Coating durability is the performance of the color-coated aluminum coil during use, and it is usually measured by the length of service life. Coating durability is mainly affected by factors such as coating type, coating thickness, and environmental corrosion. coating type, coating thickness, and environmental corrosion. The true durability of coatings can be determined by atmospheric exposure testing or artificial aging tests.
Certifications
Our Factory
The company currently has 210 employees. Since its establishment, the company in the line with the concept of meritocracy, focusing on the cultivation of talent reserves, providing excellent employees with a stage for display and performance and a good develop space. After development and promotion, the brand has begun to have advantages, and is now in the stage of developing and expanding.
Established advanced business philosophy and corporate culture, and the scale of production and operation has continued to grow, relying on international advanced machinery and production lines, we can flexibly produce and process aluminum sheets of various specifications and models according to the different needs of customers. Our company has set up one after another image and gorgeous landmarks. Quality reputation are well-known overseas. In the face of the fiercely competitive market, the company strives to achieve the three- First principle of product first, service first, and reputation first. Pass the real high quality, high service and high integrity to customers to win the recognition of customers and the market. This is the concept and commitment of Chongqing heavy aluminum new material technology company. Small wins depend on wisdom, great wins depend on virtue.
FAQ
Q: What is a prepainted aluminum coil?
Q: What are the common uses of prepainted aluminum coil?
Q: How durable is the paint on prepainted aluminum coils?
Q: What is the best way to transport prepainted aluminum coil?
Q: Can prepainted aluminum coil be recycled?
Q: Is prepainted aluminum coil resistant to corrosion?
Q: How does temperature affect prepainted aluminum coil?
Q: What is the maximum width of a prepainted aluminum coil?
Q: How do I know if a prepainted aluminum coil is compatible with my project?
Q: Can prepainted aluminum coil be used in marine environments?
Q: How should prepainted aluminum coil be stored?
Q: Can prepainted aluminum coil be painted over?
Q: Is prepainted aluminum coil fire-resistant?
Q: How does prepainted aluminum coil compare to steel in terms of weight?
Q: What is the expected lifespan of prepainted aluminum coil?
Q: Can prepainted aluminum coil be bent or curved?
Q: Does the paint on prepainted aluminum coil contain harmful chemicals?
Q: How do I clean prepainted aluminum coil?
Q: Can prepainted aluminum coil be used outdoors?
Q: What is the difference between PVDF and polyester coatings?
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Prepainted Aluminum Coil, PVDF Aluminum Coil