Epoxy Powder Coating for 3PP Anti-Corrosion Coating of Pipelines
We are a manufacturer based in China, specializing in high-quality Epoxy Powder Coating for 3PP Anti-Corrosion Coating of Pipelines for industrial clients worldwide. Technical support and custom formulation available.
Category：Application industries | Brand：MT
Introduction
Product Characteristics
· Suitable for coating applications at higher temperatures;
· Excellent adhesion to the substrate;
· Excellent compatibility with adhesive layers;
· Outstanding resistance to cathodic disbondment;
· Excellent storage stability;
· Complies with GB/T 23257 Polyethylene Anticorrosive Coating for Buried Steel Pipelines;
· Complies with CSA Z245.20 Plant-applied External Coatings for Steel Pipe;
· Complies with DIN 30670 Polyethylene Coatings for Steel Pipes and Fittings;
· Complies with DIN 30678 Polypropylene Coatings for Steel Pipes and Fittings;
· Complies with NF A 49-711 Three-layer Extruded Polypropylene Structure for Steel Pipes;
· Complies with ISO 21809-1 Petroleum and Natural Gas Industries — External Coatings for Buried or Submerged Pipelines Used in Pipeline Transportation Systems — Part 1: Polyolefin Coatings (3-Layer PE and 3-Layer PP).
Performance Specifications of Epoxy Powder
|
Item |
Test Method |
Performance Specification |
| Curing Time (min) 205℃ | CSA Z245.20 | ≤3; customized according to requirements |
| Gel Time (s) 205℃ | CSA Z245.20 | ≥12; customized according to requirements |
| Thermal Property △H (J/g) | — | ≥45; customized according to requirements |
| Thermal Property Tg2 (℃) | CSA Z245.20 | ≥100; can be designed ≥105℃, 110℃, 125℃, 130℃, etc. |
| Wet Tg | — | ≥10℃ above maximum operating temperature |
| Density (g/cm³) | CSA Z245.20 | 1.3~1.5 |
| Particle Size Distribution (%) 150μm | CSA Z245.20 | ≤0.2 |
| Particle Size Distribution (%) 250μm | CSA Z245.20 | ≤3 |
| Volatile Content (%) | CSA Z245.20 | ≤0.5 |
Performance Specifications of Epoxy Coating
|
Item |
Test Method |
Performance Specification |
| Cathodic Disbondment Resistance (mm) 65℃, -1.5V, 48h | GB/T 23257 | ≤5 |
| Cathodic Disbondment Resistance (mm) 65℃, -1.5V, 30d | GB/T 23257 | ≤15 |
| Cathodic Disbondment Resistance (mm) 23℃, -1.5V, 30d | GB/T 23257 | ≤7 |
| Bending Resistance -20℃, 2.5° | GB/T 23257 | No cracks |
| Adhesion (Grade) 75℃, 48h | GB/T 23257 | 1 |
| Water Absorption (%) 80℃, 28d | ASTM 570 | ≤1.5 |
| Degree of Cure | CSA Z245.20 | ≤3 |
Application Areas
Suitable for 3PP anti-corrosion coating applications on various pipelines, including long-distance transmission pipelines, water supply pipelines, and other pipeline systems.
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