Zinc Rich Epoxy Powder Coating
We are a manufacturer based in China, specializing in high-quality Zinc Rich Epoxy Powder Coating for industrial clients worldwide. Technical support and custom formulation available.
Category：Application industries | Brand：MT
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 C4 and below environments;
· Suitable for corrosion protection of steel structures under severe environmental conditions;
· Can pass the C4H test according to ISO 12944-6;
· Complies with RoHS requirements.
Performance Specifications of Epoxy Powder
|
Item |
Test Method |
Performance Specification |
| Chemical Composition | — | Epoxy resin, zinc, etc. |
| Density (g/cm³) | GB/T 4472 | 1.8-3.3 |
| 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 180℃ | GB/T 39636 | 8~15 |
| Curing Time 200℃ | GB/T 39636 | 5~8 |
| RoHS | EN 62321 | Qualified |
Performance Specifications of Zinc Rich Epoxy 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 |
| Cross-Cut Test (Grade) | SY/T 4113.5 | No cracks |
| Adhesion (Pull-off Method, MPa) | ISO 12944-6 | ≥5 |
| 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 720h, Scribe Width 2mm | ISO 12944-6 | Single-side corrosion ≤1mm |
| Salt Spray Test 3000h, Without Scribe | GB/T 1771 | No change in coating |
| Condensation Test 480h | ISO 12944-6 | No change in coating |
Application Areas
Suitable for steel structures in C4 environments, such as chemical plants, swimming pools, and coastal cities.
Inquiry
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