1. Introduction:

The surface coating of aluminum sheets utilizes advanced technology from Korea and a high-precision four-color printing unit. The common types of color coatings include fluorocarbon (PVDF) and polyester (PE). These coatings offer vibrant, realistic colors and stable performance with high corrosion resistance. After special treatment, the surface quality of these sheets can be guaranteed for up to 30 years. Given that aluminum has the lowest weight per unit volume among metal materials, color-coated aluminum sheets have become highly popular in the building decoration industry.

Pre-painted color coated coils use various types of paints to provide durability, aesthetic appeal, and specific performance characteristics. The common types of paints used for these coils include polyester, silicone-modified polyester, high-durability polyester, and polyvinylidene fluoride (PVDF). Each type of paint has distinct features that make it suitable for different applications.

Types of Paints Used in Pre-painted Color Coated Coils

1. Polyester (PE)

- Characteristics:

- Good Adhesion: Adheres well to the substrate, ensuring long-lasting performance.

- Wide Range of Colors: Available in a variety of colors to meet aesthetic requirements.

- Formability: Suitable for forming processes such as bending and shaping.

- Durability: Provides good durability for outdoor use, although not as high as other coatings.

- Cost: Relatively low cost, making it a popular choice for a variety of applications.

- Applications: General building materials, interior decoration, and appliances.

2. Silicone-Modified Polyester (SMP)

- Characteristics:

- Improved Hardness: Higher film hardness compared to standard polyester, enhancing abrasion resistance.

- Heat Resistance: Better heat resistance, making it suitable for high-temperature environments.

- Exterior Durability: Good exterior durability with resistance to chalking and gloss retention.

- Flexibility: Maintains general flexibility, although slightly less than polyester.

- Cost: Medium cost, offering a balance between performance and expense.

- Applications: Building panels, roofing, and other exterior applications where enhanced durability is needed.

3. High-Durability Polyester (HDP)

- Characteristics:

- Excellent Color Retention: Superior color retention and resistance to UV radiation, preventing fading.

- Durability: Exceptional exterior durability and resistance to chalking.

- Adhesion: Good adhesion to the substrate, ensuring long-lasting performance.

- Cost-Performance: Offers an excellent balance between cost and performance.

- Applications: High-end architectural panels, roofing, and structures exposed to harsh weather conditions.

4. Polyvinylidene Fluoride (PVDF)

- Characteristics:

- Superior Color Retention: Best-in-class color retention and UV resistance, preventing fading over time.

- Durability: Exceptional outdoor durability and resistance to chalking.

- Solvent Resistance: Excellent resistance to solvents and chemicals.

- Formability: Good formability, making it suitable for complex shapes.

- Dirt Resistance: Resistant to dirt accumulation, maintaining a clean appearance.

- Cost: Higher cost due to superior performance characteristics.

- Applications: High-end architectural projects, curtain walls, commercial buildings, and industrial applications.

2. Application:

5. Paint Suppliers & Partners:

6. Projects:

Shandong Decho Building Materials Technology Co., Ltd (hereafter called “DBM” ) is a professional manufacturer and exporting company of coated steel coils and sheets, with over 13 years of experience in steel industry and 11 years of steel mill work experience, with extensive product knowledge and experience in production process, especially for the supply of coated steel coils with a stable and reliable supply chain of manufacturers and logistics.

DBM is always in pursuit of and committed to providing high quality products and services. Our company has professional quality inspection team members, for each batch of orders can be fully on-site testing and provide test reports, can also accept any third-party testing company on-site testing, we can do is to ensure that each order goods delivered to a high standard, to achieve customer satisfaction, to achieve win-win cooperation.

DBM can meet the need to use colour steel plate as raw material for building. Decho Building Materials colour steel plate is mainly processed into, for example, colour steel corrugated board or colour steel composite sandwich board after our colour steel plate is widely used in the construction of airports, freezers, steel plants, warehouses, and other industrial buildings and commercial buildings, such as the roof of the colour steel tiles, colour steel plate sandwich walls and doors.

DBM only focus on high standard coated coils with warranty service, We are your strict gatekeeper and faithful partner in China import , We always been committed to becoming your long-term reliable supplier in China.