C5H High Corrosion Resistance Powder Coating
We are a manufacturer based in China. We specialize in providing high-quality C5H High Corrosion Resistance Powder Coating for industrial clients across various sectors. Whether you need chemicals consultation or technical support, our team is here to help.
Category：Application industries Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Product Characteristics
· Excellent adhesion;
· Good edge coverage performance;
· Dense coating structure with outstanding resistance to penetration;
· Good mechanical properties;
· Excellent chemical corrosion resistance;
· When combined with a pure polyester topcoat, it can be used long-term in C5 and below environments;
· Suitable for corrosion protection of steel structures under severe environmental conditions;
· Can pass the C5H test according to ISO 12944-6;
· Complies with RoHS requirements.
C5H Powder Performance Specifications
|
Item |
Test Method |
Performance Specification |
| Density (g/cm³) | GB/T 4472 | 1.5-3 |
| Non-volatile Content (%) | GB/T 6554 | ≥99.4 |
| Average Particle Size (μm) D50 | GB/T 21782.13 | 33~40 |
| Gel Time (s) 200℃ | GB/T 6554 | 30~100 |
| Curing Time (min) 200℃ | GB/T 39636 | 8~15 |
| Curing Time (min) 180℃ | GB/T 39636 | 5~10 |
| RoHS | EN 62321 | Qualified |
Performance Specifications of C5H Protective Coating
|
Item |
Test Method |
Performance Specification |
| Thickness (mm) Primer Layer | GB/T 13452.2 | 50~80 |
| Thickness (mm) Top Layer | GB/T 13452.2 | 50~120 |
| Adhesion Cross-Cut Test (Grade) | SY/T 4113.5 | No cracks |
| Adhesion (Pull-off Method, MPa) | ISO 12944-6 | ≥7 |
| Impact Resistance 50kg·cm | GB/T 1732 | No cracking |
| Bending Test 2mm | GB/T 6742 | No cracking |
| Cupping Test 6mm | GB/T 9753 | No cracking |
| Salt Spray Test 1440h, Scribe Width 2mm | ISO 12944-6 | Single-side corrosion ≤1mm |
| Salt Spray Test 4000h, Without Scribe | GB/T 1771 | No change in coating |
| Condensation Test 720h | ISO 12944-6 | No change in coating |
Application Areas
Suitable for steel structures in C5 environments, such as heavily polluted industrial plants and coastal steel platform facilities.
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