Concrete is used in power facilities, chemical processing plants, pulp and paper mills,
petrochemical plants, water and wastewater treatment plants, food and beverage plants, and
mining operations. Concrete frequently provides structural support for steel in industrial
applications; it is also used for catch basins, troughs, machinery mounts, spill containment, and
immersion service. Concrete, unlike steel, is not a predictable, uniform substrate. Concrete is
very porous and in many industrial exposures is likely to absorb chemical contamination and
water, which can cause spalling and eventually loss of structural integrity.
When providing corrosion protection for concrete substrates, consideration must be given to the
use of liquid, organic, chemical-resistant coatings and their proper application and inspection. This
standard recommended practice sets forth guidelines for the application of quality protective
coating systems to properly prepared concrete surfaces. Information contained herein is intended
as a guide for personnel who prepare specifications, standards, and procedures for the coating or
lining of concrete surfaces. The information provided in this standard is based on the best current
knowledge and experience of committee members and not necessarily on reproducible scientific
evidence.
This standard was originally prepared in 1992 by NACE Task Group T-6A-59 on Coatings/Linings
over Concrete for Immersion Service, which was a component of Unit Committee T-6A on Coating
and Lining Materials for Immersion Service. It was technically revised in 2001 by Task Group (TG)
141. This Task Group is administered by Specific Technology Group (STG) 03 on Protective
Coatings and Linings??Immersion Service. This standard is published by NACE International
under the auspices of STG 03.
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| Number of Pages : | 20 |
| Published : | 07/01/2002 |
