Tianhua Chemical Oil Tank Fiber Reinforced Graphite Flake Coating passed the appraisal
The recent technical appraisal conducted by China Petrochemical Corporation has confirmed the successful development of a novel fiber-reinforced graphite flake coating for crude oil storage tanks by the Tianhua Chemical Machinery and Automation Research and Design Institute. This innovative coating system represents a significant advancement in protective technology for oil storage infrastructure, offering enhanced durability and performance under harsh conditions.
The project introduced a high-temperature corrosion-resistant resin combined with a rubber compound, along with large-scale solid fillers that provide strong electrostatic conductivity. Graphite flakes serve as the primary aggregate, ensuring excellent bulk strength and wear resistance. The inclusion of short-cut fibers further enhances the material’s resistance to deformation, making it ideal for demanding industrial environments.
This solvent-free thick-film coating system incorporates functional fillers and is designed to deliver long-term static conductivity, minimal curing residual stress, and superior interfacial bonding strength. It also demonstrates remarkable resistance to base body deformation and consistent construction performance over time.
A key innovation of the project is the development of vacuum-based coating preparation technology. This approach led to the design of specialized vacuum mixing equipment for both base production and on-site construction, enabling the effective integration of large-diameter solid fillers into the resin matrix with minimal air bubble entrapment. As a result, the overall quality and reliability of the coating have been significantly improved.
This breakthrough not only meets the stringent requirements of the petroleum industry but also sets a new benchmark for corrosion protection solutions in large-scale storage applications.
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