Powder Coating for Steel Pipe Piles
We are a manufacturer based in China. We specialize in providing high-quality Powder Coating for Steel Pipe Piles 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
· Excellent adhesion and corrosion resistance;
· High cost-performance ratio, long service life, and low maintenance cost;
· Wide temperature resistance range;
· Excellent scratch resistance;
· Excellent abrasion resistance and erosion resistance;
· An efficient corrosion protection system fully compatible with cathodic protection systems without barriers;
· According to the protection requirements of different sections of steel pipe piles, single-layer or double-layer structures can be designed; it can also be combined with weather-resistant polyester powder coating for UV exposure environments; reinforced fibers can also be used for external wrapping to further improve mechanical damage resistance;
· 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 GB/T 18593 Corrosion Protection Coating of Fusion Bonded Epoxy Powder Coatings;
· Complies with CSA Z245.20 Plant-applied External Fusion Bond Epoxy Coating for Steel Pipe.
Performance Specifications of Epoxy Powder
|
Item |
Test Method |
Technical Specification |
| Density (g/cm³) | GB/T 4472 | 1.3~1.8 |
| Thermal Property Tg2 (℃) | GB/T 39636 | ≥100℃ |
| Particle Size Distribution (%) 150μm | GB/T 6554 | ≤0.2 |
| Particle Size Distribution (%) 250μm | GB/T 6554 | ≤3.0 |
| Volatile Content (%) | GB/T 6554 | ≤0.4 |
| Gel Time (s) 230℃ | GB/T 6554 | ≥12 |
| Curing Time (min) 230℃ | GB/T 39636 | ≤3 |
| Magnetic Material Content (%) | JB/T 6570 | ≤0.002 |
Performance Specifications of Epoxy Coating
|
Item |
Test Method |
Single Epoxy Powder Coating Performance Specification |
Double Epoxy Powder Coating Performance Specification |
| Appearance | Visual Inspection | Smooth, uniform color, no bubbles, cracks, or shrinkage holes | Smooth, uniform color, no bubbles, cracks, or shrinkage holes |
| Cathodic Disbondment (65℃, 48h, -1.5V) | SY/T 0315 | ≤5mm | ≤5mm |
| Porosity Cross Section | SY/T 0315 | Grade 1-3 | Grade 1-3 |
| Porosity Bonding Surface | SY/T 0315 | Grade 1-3 | Grade 1-3 |
| Adhesion (90±3℃, 15d) | SY/T 0315 | Grade 1 | Grade 1-2 |
| Abrasion Resistance (CS-10. 1kg, 1000r) | GB/T 1768 | ≤100mg | ≤60mg |
| Impact Resistance (20±3℃) | SY/T 0315 | 10J, no leakage points | 10J, no leakage points |
| Bending Resistance (0±3℃) | SY/T 0315 | 3°, no cracks | 2°, no cracks |
| Bond Strength of Primer Layer | GB/T 5210 | ≥65MPa | ≥65MPa |
| Dielectric Strength | GB/T 1480.1 | ≥30MV/m | ≥30MV/m |
| Volume Resistivity | GB/T 1410 | ≥1×10¹²Ω·m | ≥1×10¹²Ω·m |
| Water Absorption (60℃, 15d) | GB/T 18593 | ≤3% | ≤3% |
| Scratch Resistance 30kg | SY/T 4113.1 | ≤350μm, no leakage points | ≤350μm, no leakage points |
Application Areas
Suitable for corrosion protection of steel pipe piles in civil engineering projects, bridge engineering projects, and oil & gas engineering projects.
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