Zinc Rich Epoxy Powder Coating
We are a manufacturer based in China. We specialize in providing high-quality Zinc Rich Epoxy 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 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.
If you're ready to take the next step, Leave your message below and we’ll reply soon. 20+ years of chemical manufacturing & export experience, a partner you can trust.
Inquiry
Factory & Certification
