




Zhongwei electrostatic powder coated coils completely revolutionize traditional coated coil production. Utilizing proprietary high-polymer powder coatings and the electrostatic attraction principle, the powder adheres uniformly and securely to the substrate surface, forming a durable finish through high-temperature curing. This eliminates the drawbacks of conventional liquid painting, including high pollution, safety risks, and excessive energy consumption.
Key Advantages
- Eco-Friendly Innovation: Solvent-free proprietary powder formulations ensure zero VOC emissions throughout production.
- Superior Performance: Combines energy efficiency, enhanced safety, superior adhesion, exceptional weather resistance, and outstanding corrosion protection.
- Certified Excellence: Certified by authoritative institutions to exceed the performance benchmarks specified in GB/T 12754-2019 (China National Standard for Color Coated Steel Sheets and Strips).
Powder Coating Performance Index
|
Item |
Indicator data |
Item |
Indicator data |
|
Coating thickness |
20-100um |
Slide test |
0 grade |
|
T bent test |
0T-2T |
Glossiness |
±5° |
|
Pencil hardness |
≥5H |
Boiling water experiment |
≥4 Hours |
|
Chromatic Aberration |
≤0.5 |
Acid resistance test |
≥720 Hours |
|
MEK solvent friction |
≥150 times |
Alkali resistance test |
≥240 Hours |
|
Reverse impact |
≥9 joules |
Neutral salt spray resistance test |
≥3600 Hours |
|
Cupping test |
≥6mm |
UV aging test |
≥2400 Hours |
Features
- Advanced Manufacturing: Utilizes international-grade production lines and high-polymer powder materials for exceptional adhesion, enabling direct stamping, cutting, and bending without coating cracks or peeling.
- Superior Coating Thickness: Single-layer coating reaches 50–120μm (exceeds solvent-based coatings), offering unmatched scratch resistance and surface hardness up to 5H.
- Enhanced Durability: High-density coatings formed via high-temperature curing exhibit 5–6 times higher acid/alkali resistance vs. traditional solvent-based coatings.
Application Fields
Ideal for industries demanding high durability and sustainability, including architecture, automotive, and renewable energy systems.
1. Metal Cladding Systems
- Industrial buildings, high-speed railway stations, smelters, thermal power plants, livestock farming facilities.
2. Appliance Industry
- Refrigerators, washing machines, air conditioners, freezers, microwave ovens.
3. Steel Door Industry
- Steel fire-rated doors, steel-wood composite fire doors, residential security doors.
4. Metal Decoration Industry
- Metal interior/exterior curtain walls, decorative panels for public infrastructure.
5. Metal Cabinet Industry
- Vending machines, electrical cabinets, filing cabinets.
6. Elevator Industry
- Door panels, elevator car panels.
Powder Coating Performance Index
|
Item |
Indicator data |
Item |
Indicator data |
|
Coating thickness |
20-100um |
Slide test |
0 grade |
|
T bent test |
0T-2T |
Glossiness |
±5° |
|
Pencil hardness |
≥5H |
Boiling water experiment |
≥4 Hours |
|
Chromatic Aberration |
≤0.5 |
Acid resistance test |
≥720 Hours |
|
MEK solvent friction |
≥150 times |
Alkali resistance test |
≥240 Hours |
|
Reverse impact |
≥9 joules |
Neutral salt spray resistance test |
≥3600 Hours |
|
Cupping test |
≥6mm |
UV aging test |
≥2400 Hours |
