Case History #004 REV.04-97
LOCATION: Fossil fuel power plant, U.S.A.
ARCOR™ ARCRETE , ARCOR™ EE-20
A concrete floor in demineralized water take up area suffering attack from acids and caustic solutions. Splash and spill from equipment attacks the concrete leaving exposed aggregate.
This severely attacked floor was repaired using a two-step epoxy system. First the floor area was cleaned with TSP (Trisodium Phosphate) and high-pressure water. After the area was dried out, a mixture of ARCOR™ ARCRETE, a polymer cement, was installed by trowel to level out the floor. In places, up to 1 inch of ARCOR™ ARCRETE was installed.
This rebuilding material was allowed to cure, which normally takes about six hours at 70 degrees, much shorter than the normal 28 days needed for concrete to cure. A two-coat system of ARCOR™ EE-20 was then installed to protect the entire area from corrosive attack.
This project was completed in March 1991 and is still protecting the floor.
Severely damaged concrete floor.
After application of ARCOR ARCRETE.
Top coat of ARCOR EE-20