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Tank Base Corrosion Protection

Above ground industrial storage tanks and their contents are extremely valuable assets that need to be protected.

As a result of adverse weather conditions or condensation, moisture can accumulate at the chime angle or track under the base of the tank which can lead to corrosion of the tank base, leakage or ultimately tank failure.

The implications of this however, extend far wider than just the cost of the tank and its contents.

Tank base corrosion is often caused in the following ways:

  • Settlement of storage tank
  • Intermittently immersed in rainwater
  • Localised void cavities between tank and base
  • Saturated insulation creating localised and severe CUI
  • Failure of mastic type sealants
  • Cracking and shrinkage of hot bituminous applications
  • Fire sprinkler systems creating pooling and ponding around the base
  • Tank deluge systems
  • Expansion and contraction of tank

Traditional Maintenance Challenges

Storage tanks can be exposed to extreme weather and operating conditions such as rain, heat and loading. Conventional protection method is painting, subject to cracking, pilling-off and UV attack which do not guarantee a long term protection. However, for a comprehensive and long-term solution it is essential to stabilize the rust from inside and weather-proof from outside.

The effectiveness of Nitto Denko’ anti-corrosion solution for storage tanks has been proven through these applications resulting in increased storage tank life, avoiding demolition and reconstruction and minimising interruptions to the business.

To find out more about Nitto Denko anti-corrosion XG series, please visit us here

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