Surface treatment and coating technology
1. Main equipment
The coating production line owned by the company is provided by the world’s third ranked coating professional company, which integrates German pre-treatment technology and American painting National coating technology, Italian heat exchange technology. The world’s leading level of coating equipment and technology ensures the coating quality of products at zero distance from the world.
2. Phosphating film process (zinc based phosphating)
The use of the unique zinc based phosphating technology in the fence coating process is the core technology of the coating process: maximizing the zinc based phosphating film
Enhance the adhesion between polyester coating and substrate to ensure exceptional anti-corrosion quality
3. Schematic Table of Anti corrosion Texture of Coatings
Coating process | Outer coating | Inner coating | Base material |
 | High end PE coating process in the United States (with strong UV resistance and color stability) | German pre-treatment process and zinc rich phosphating layer (corrosion-resistant+increases substrate and coating adhesion) | High strength hot-dip galvanized steel wire, double-sided hot-dip galvanized high-quality all steel column |
4.Table of Technical Parameters for Surface Coating
| Test project | Test method | Actual measured values of surface coating |
|---|---|---|
| Film thickness: | ISO2360 | ≥100μ |
| Grid adhesion: | ISO2490 | 0 |
| Impact test 20 inch pounds: | ASTMD2794 | No deep or substrate cracks |
| Weatherability: | EN20105-A02 | ≥ 4 |
| Photoaging: | ENISO105-B02 | ≥ 7 |
| Resistant to humidity for 1000 hours | ISO6270-1 | Maximum foaming 1mm |
| Salt spray resistance for 1000 hours | ISO9227 | Maximum subsurface corrosion 1mm |
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