Single Layer External Fusion Bonded Epoxy Powder Coating for Pipeline
We are a manufacturer based in China, specializing in high-quality Single Layer External Fusion Bonded Epoxy Powder Coating for Pipeline for industrial clients worldwide. Technical support and custom formulation available.
Category：Application industries | Brand：MT
Introduction
Product Characteristics
· No primer required, with excellent adhesion;
· Excellent balance between gelation rate and flow rate, with suitable melt viscosity, preventing sagging phenomenon;
· Dense coating structure with extremely low porosity, reducing the risk of pinhole formation;
· Excellent resistance to cathodic disbondment;
· Excellent bending resistance;
· Outstanding chemical corrosion resistance;
· Long service life under harsh environmental conditions;
· Complies with GB/T 39636 Technical Specification for External Fusion Bonded Epoxy Powder Coating of Steel Pipelines;
· Complies with SY/T 0315 Technical Specification for External Fusion Bonded Epoxy Powder Coating of Steel Pipelines;
· Complies with CSA Z245.20 Plant-applied External Fusion Bond Epoxy Coating for Steel Pipe;
· Complies with ISO 21809-2 Petroleum and Natural Gas Industries — External Coatings for Buried or Submerged Pipelines Used in Pipeline Transportation Systems — Part 2: Single Layer Fusion-Bonded Epoxy Coatings.
Performance Specifications of Epoxy Powder
|
Item |
Test Method |
Performance Specification |
| Curing Time (min) 230℃ | GB/T 39636 | ≤2; customized according to requirements |
| Gel Time (s) 230℃ | GB/T 39636 | ≤30; customized according to requirements |
| Thermal Property △H (J/g) | — | ≥45; customized according to requirements |
| Thermal Property Tg2 (℃) | GB/T 39636 | ≥40℃ above maximum operating temperature; can be designed from 95℃ to 140℃ |
| Density (g/cm³) | GB/T 39636 | 1.3~1.5 |
| Particle Size Distribution (%) 150μm | GB/T 21782.1 | ≤3 |
| Particle Size Distribution (%) 250μm | GB/T 21782.1 | ≤0.2 |
| Magnetic Material Content (%) | JB/T 6570 | ≤0.002 |
| Volatile Content (%) | GB/T 39636 | ≤0.6 |
Performance Specifications of Epoxy Coating
|
Item |
Test Method |
Performance Specification |
| Cathodic Disbondment Resistance (mm) 65℃, -1.5V, 48h | SY/T 4113.3 | ≤5 |
| Cathodic Disbondment Resistance (mm) 65℃, -1.5V, 28d | SY/T 4113.3 | ≤15 |
| Bending Resistance -30℃, 3° | SY/T 4113.5 | No cracks |
| Impact Resistance -30℃, 2J | GB/T 39636 | No pinholes |
| Porosity (Grade) Cross Section | GB/T 39636 | 1~3 |
| Porosity (Grade) Bonding Surface | GB/T 39636 | 1~3 |
| Adhesion (Grade) 75℃, 24h | GB/T 39636 | 1~2 |
| Adhesion (Grade) 75℃, 28d | GB/T 39636 | 1~3 |
| Abrasion Resistance (mg) CS-17. 1kg, 1000r | GB/T 1768 | ≤100 |
| Volume Resistivity (Ω·m) | GB/T 31838.2 | ≥1×10¹² |
| Dielectric Strength (MV/m) | GB/T 1408.1 | ≥30 |
| Cathodic Disbondment Resistance After 2.5° Bending 20℃, -1.5V, 28d | GB/T 39636 | No cracks |
| Chemical Corrosion Resistance 20℃, 90d | SY/T 4113.9 | No change |
Suitable for external anti-corrosion protection of long-distance pipelines and anti-corrosion protection of buried steel structure foundations.
Inquiry
We'll reply within 24 hours
