The Visco-Elastic Field Joint Coating Solution is a cutting-edge, cold-applied coating system designed to provide superior corrosion protection for pipeline field joints. This innovative solution leverages the unique properties of visco-elastic materials to ensure long-lasting protection in even the most challenging environments.
Key Features
●Self-Healing Capability: The visco-elastic coating retains its elastic properties over time, allowing it to self-heal minor damages and maintain its integrity even after years of service. This feature significantly extends the lifespan of the coating and reduces maintenance needs14.
●Instant Adhesion: The coating adheres instantly to various substrates without requiring a primer, ensuring a strong bond that resists disbondment even in harsh conditions.
●Environmental Friendliness: Made from materials like polymerized isobutylene (PIB), these coatings are non-toxic and environmentally friendly, with no volatile organic compounds (VOCs) or heavy metals.
●Easy Application: The coating is field-applicator friendly, requiring minimal surface preparation and no special equipment. It can be applied in both hot and cold climates, making it ideal for remote or hard-to-reach locations.
Applications
The Visco-Elastic Field Joint Coating Solution is versatile and suitable for a wide range of applications, including:
●Pipeline Rehabilitation and Repair: Ideal for rehabilitating existing pipelines and protecting new ones from corrosion.
●Onshore and Offshore Environments: Effective in both onshore and offshore settings, including immersion service and high-temperature applications under insulation.
●Industrial and Marine Industries: Used in refineries, compressor stations, jetties, terminals, and other industrial and marine environments.
Benefits
√Long Service Life: Offers a service life of over 30 years, providing a durable barrier against water and oxygen.
√Chemical Resistance: Exhibits low oxygen permeability, enhancing durability and corrosion resistance.
√Toughness and Flexibility: Resistant to impact, abrasion, and penetration, ensuring the coating remains effective under various conditions.
Performance
Item | Test method | Performance |
color | Visual estimation | green |
Density | NEN1833 | 1.4~1.6g/cm3 |
Applicable temperature range |
| -45℃~70℃ |
Elongation | ASTM D 1000 | ＞100% |
Water absorption | ASTM D 570 | ≤0.03% |
Volume resistivity | EN12068 | ≥10^8 |
Salt spray test(5%, 720h) | ASTM B117 | No corrosion |
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