The three-layer polyethylene anti-corrosion coating, as the name suggests, consists of three distinct layers, each with unique functions that collectively form a comprehensive protective system.
High-quality epoxy powder coating layer
Applied directly to the steel pipe surface
Provides excellent adhesion and chemical corrosion resistance
Melts at high temperature to form a dense bond with the steel substrate
Effectively prevents moisture and corrosive medium penetration
Maintains stability at elevated temperatures
Adhesive intermediate layer
Serves as a bonding bridge between the epoxy primer and outer polyethylene
Ensures strong interlayer cohesion to prevent delamination
Offers flexibility to accommodate minor pipe deformation
Enhances overall coating durability
Polyethylene outer layer
Typically made of high-density polyethylene (HDPE)
Delivers superior mechanical strength and impact resistance
Protects against physical damage (scratches, impacts)
Exhibits excellent weather resistance and UV stability
Ensures long-term performance in outdoor environments
This three-layer system creates a synergistic protective mechanism:
Epoxy layer for corrosion protection
Adhesive layer for interlayer bonding
Polyethylene layer for mechanical defense
The combination enables three-layer polyethylene coated pipes to perform exceptionally well in various harsh environments.
Specification
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Product Name |
2PE /3PE ANTICORROSIVE PIPE |
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Length |
5.8m-24m |
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Outer Diameter |
20-3600mm |
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Wall Thickness |
2-70mm |
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Laid way |
Buried |
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Application |
Water,Oil,Gas |
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Production Standard |
DIN30670,CSA Z245.21 |
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| Normal size | Minimum Total Coating Thickness | |
| Normal type | Reinforced type | |
| ≤DN 100 | 1.8 | 2.5 |
| ˃DN100 ≤DN250 | 2.0 | 2.7 |
| ˃DN250 <DN500 | 2.2 | 2.9 |
| ≥DN500 <DN800 | 2.5 | 3.2 |
| ≥DN800 | 3.0 | 3.7 |
Packaging and shipping
