KHIA headerKnow-How in Action


Belzona® 4181 Solves Neutralization Problem



Petrochemical (PETR)



Tanks and Chemical Containment Areas (TCC)


Customer Location:

Chemical Plant, North Alabama U.S.A.


Application Date:

May 2000


Application Situation:

Secondary containment area for 98% Sulfuric acid



Spill of 98% sulfuric acid was neutralized with caustic. The exotherm badly damaged the coating applied 2 years previous.



Belzona® 4311 (Magma CR1)
Belzona® 4181 (AR Screed)




Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflets TCC-9 & -15. Damage concrete removed and 3 inch of new concrete poured to level base. Belzona® 4181 used on floor and Belzona® 4311 on walls.


Belzona Facts:

The plant had used Belzona® 4311 successfully in several areas of the plant. Due to the high temperature qualities of Belzona® 4181 it was selected to coat the containment floor in case caustic was again used to neutralize spills.


Photographs Description

  1. Overview of the sulfuric acid containment area
  2. Deteriorated coating after the caustic was added to the acid spill
  3. New concrete poured and pedestals coated with Belzona® 4311
  4. Finished project with Belzona® 4181 and perfect after 8 years
Case study pic one


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