Internal Fusion Bonded Epoxy Powder Coating for Pipelines
We are a manufacturer based in China. We specialize in providing high-quality Internal Fusion Bonded Epoxy Powder Coating for Pipelines for industrial clients across various sectors. Whether you need chemicals consultation or technical support, our team is here to help.
Category：Application industries, powder Coating Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Product Characteristics
· No primer required, with excellent adhesion;
· Suitable for transportation of various media, including petroleum products, natural gas, oilfield wastewater, seawater, domestic sewage, tap water, and other fluids;
· Outstanding chemical corrosion resistance;
· Dense coating structure with low porosity, reducing the risk of pinhole formation;
· Smooth and flat surface with lower transportation resistance;
· Long service life under harsh environmental conditions;
· Complies with SY/T 0442 Technical Standard for Internal Fusion Bonded Epoxy Powder Anti-Corrosion Coating of Steel Pipelines;
· Complies with CJ/T 120 Plastic Coated Composite Steel Pipes for Water Supply;
· Complies with GB/T 28897 Steel Plastic Composite Pipes and Fittings for Fluid Transportation;
· Complies with American AWWA C213 Fusion-Bonded Epoxy Coating for the Interior and Exterior of Steel Water Pipelines.
Performance Specifications of Epoxy Powder
|
Item |
Test Method |
Performance Specification |
| Curing Time (min) 200℃ | SY/T 0442 | ≤5; customized according to requirements |
| Gel Time (s) 200℃ | GB/T 6554 | ≤50; customized according to requirements |
| Gel Time (s) 230℃ | GB/T 6554 | 12~60; customized according to requirements |
| Thermal Property △H (J/g) | — | ≥45; customized according to requirements |
| Thermal Property Tg2 (℃) | SY/T 0442 | ≥98. and 40℃ higher than operating temperature; can be designed from 100℃ to 140℃ |
| Density (g/cm³) | GB/T 4472 | 1.3~1.5 |
| Particle Size Distribution (%) 150μm | GB/T 21782.1 | ≤0.2 |
| Magnetic Material Content (%) | JB/T 6570 | ≤0.002 |
| Non-volatile Content (%) 105℃ | GB/T 6554 | ≥99.4 |
| Baking Mass Loss (%) 230℃, 5min | GB/T 21782.7 | ≤1.0 |
Performance Specifications of Epoxy Coating
|
Item |
Test Method |
Performance Specification |
| Cathodic Disbondment Resistance (mm) 65℃, -3.5V, 24h | SY/T 0315 | ≤5 |
| Cathodic Disbondment Resistance (mm) 65℃, -1.5V, 48h | SY/T 0315 | ≤5 |
| Bending Resistance -30℃, 3° | SY/T 0442 | No cracks |
| Impact Resistance 23℃, 8J | SY/T 0442 | No pinholes |
| Porosity (Grade) Cross Section | SY/T 0315 | 1~3 |
| Porosity (Grade) Bonding Surface | SY/T 0315 | 1~3 |
| Adhesion 95℃, 24h (Grade) | SY/T 0315 | 1 |
| Adhesion Pull-off Method (MPa) | GB/T 5210 | ≥20 |
| Hot Water Immersion Adhesion (Grade) (T28d) | SY/T 0315 | 1~2 |
| Hot Water Immersion Pull-off Method (MPa) (T28d) | GB/T 5210 | ≥20 |
| Abrasion Resistance (mg) CS-17. 1kg, 1000r | GB/T 1768 | ≤35 |
| Water Absorption (%) 80℃, 28d | GB/T 1034 | ≤1.5 |
| Volume Resistivity (Ω·m) | GB/T 31838.2 | ≥1×10¹² |
| Dielectric Strength (MV/m) | GB/T 1408.1 | ≥30 |
| Salt Spray Resistance 1000h | GB/T 1771 | No blistering, no cracking, no rusting |
| Chemical Corrosion Resistance 90d | SY/T 0315 | No blistering, no cracking, no softening, no peeling |
| High Temperature and High Pressure Resistance 80℃, 6.9MPa, 168h | SY/T 0442 | No blistering, no cracking, no softening, no peeling |
Application Areas
Suitable for internal anti-corrosion protection of long-distance transmission pipelines, municipal pipeline networks, and water supply pipelines.
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