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Drinking Down Under: Great Idea, Second Thoughts, The Right Path

Thick-film elastomeric coating / lining systems have excellent performance characteristics in a variety of potable water lining work, including the polyurea spray elastomer technology. While some have cast doubt on the suitability of a polyurea system for immersion applications, there are a variety of commercial products with the NSF/ASNI-61 certification for potable water use that are performing quite well. 

Product Number: 41212-698-SG
Author: Dudley J. Primeaux II
Publication Date: 2012
Industry: Coatings
$0.00
$20.00
$20.00

Thick-film elastomeric coating / lining systems have excellent performance characteristics in a variety of potable water lining work, including the polyurea spray elastomer technology. While some have cast doubt on the suitability of a polyurea system for immersion applications, there are a variety of commercial products with the NSF/ASNI-61 certification for potable water use that are performing quite well. Much of the myth around failures can be identified by improper specification work and incorrect material selection for the specific application.  Even though a proper system is selected and applied, improper surface preparation and / or spray application techniques can lead to application failures.  The same is true for other coating / lining technologies as well.  Having the proper training, material selection and proper guidance can lead to a successful application.  This paper will discuss a recent major concrete potable water storage tank lining application, the challenges faced; and the solution that led to success in Australia.

Thick-film elastomeric coating / lining systems have excellent performance characteristics in a variety of potable water lining work, including the polyurea spray elastomer technology. While some have cast doubt on the suitability of a polyurea system for immersion applications, there are a variety of commercial products with the NSF/ASNI-61 certification for potable water use that are performing quite well. Much of the myth around failures can be identified by improper specification work and incorrect material selection for the specific application.  Even though a proper system is selected and applied, improper surface preparation and / or spray application techniques can lead to application failures.  The same is true for other coating / lining technologies as well.  Having the proper training, material selection and proper guidance can lead to a successful application.  This paper will discuss a recent major concrete potable water storage tank lining application, the challenges faced; and the solution that led to success in Australia.

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