Internal Pipeline Coating Epoxy Anticorrosion Powder Coating
We are a manufacturer based in China, specializing in high-quality Internal Pipeline Coating Epoxy Anticorrosion Powder Coating for industrial clients worldwide. Technical support and custom formulation available.
Category：Application industries | Brand：MT
Introduction
Performance Features
01 · Long-Term Corrosion Protection, Stable and Reliable
The internal pipeline coating uses high-performance epoxy powder coating with excellent corrosion resistance. It provides long-term protection for pipeline inner walls, reduces corrosion, and extends pipeline service life.
02 · Strong Adhesion, Anti-Peeling and Anti-Cracking
The coating features strong adhesion and excellent wear resistance, effectively preventing coating peeling and cracking, ensuring long-term stable operation of pipelines.
03 · One-Time Coating, Efficient Application
Using electrostatic spraying technology, the coating forms a uniform and dense film in one application. It provides high construction efficiency, reduces application costs, and improves production efficiency.
04 · Stable Temperature Resistance, Safe and Environmentally Compliant
The coating has stable performance and complies with relevant environmental protection and safety standards. It can be applied in drinking water pipelines, gas pipelines, industrial pipelines, and other fields.
Executive Standard
SY/T 0442-2018
Product Parameters
Hot Melt Epoxy Performance Parameters
|
Item |
Quality Standard |
Test Result |
| Appearance | Uniform color, no agglomeration | Visual inspection |
| Color | According to customer requirements | — |
| Density (g/cm³) | GB/T 4472-2011 | 1.3–1.5 |
| Particle Size Distribution (%) | GB/T 6554-2003 | ≤3% above 150 μm sieve; ≤0.2% above 250 μm sieve |
| Non-Volatile Content (%) | GB/T 6554-2003 | ≥99.4 |
| Gel Time (s) | GB/T 6554-2003 | ≤180s (180℃); ≤120s (200℃); ≤60s (230℃) |
| Gel Content (%) | JB/T 6570-2020 | ≤0.002 |
| Horizontal Flow (mm) | GB/T 6554-2003 | 22–28 |
Cured Coating Performance Parameters
|
Item |
Technical Standard |
Test Result |
| Appearance | Smooth, dense, uniform, without defects or pinholes | Visual inspection |
| Adhesion (Grade) | SY/T 0315-2013 | 1–3 |
| Cathodic Disbondment 65℃ 48h (mm) | SY/T 0315-2013 | ≤5.0 |
| Impact Resistance (J) | SY/T 0442-2018 | No damage |
| Dielectric Strength (MV/m) | GB/T 1408-2016 | ≥30 |
| Volume Resistivity | SY/T 0442-2018 | ≥10¹² |
| Degree of Cure | GB/T 9274-1998. GB/T 1733-1993 | Qualified |
| Water Absorption 1000h (%) | GB/T 1766-2006 | ≤0.20 mg |
| Salt Spray Resistance (1000h) | GB/T 1771-2007 | No coating change |
| Indentation Hardness (Shore D) | Q/T 120-2016 | No cracking |
| Hygienic Performance (Drinking Water Transmission) | GB/T 17219-2025 | Meets GB/T 17219 requirements |
Application Field
Suitable for pipelines in:
- Municipal engineering
- Water supply systems
- Drainage systems
- Wastewater pipelines
- Circulating water systems
- Chemical industry
- Power industry
- Other pipeline applications
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