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Angles and Demons in the Realm of Protective Coatings: The Underworld of VOCs

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Ours is an age of stringent VOC regulations and one of the positive responses from coating formulators has been the advent of innovative high solids coatings that contain exempt solvents. While proper surface preparation for applying lining systems has always been crucial to long term coating success our field experience has shown that this is all the more the case with coatings formulated with one or more exempt solvents. 

Product Number: 41211-636-SG
Author: Mike O’Donoghue, V.J. Datta,
Publication Date: 2011
Industry: Coatings
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$20.00
$20.00

Ours is an age of stringent VOC regulations and one of the positive responses from coating formulators has been the advent of innovative high solids coatings that contain exempt solvents. While proper surface preparation for applying lining systems has always been crucial to long term coating success our field experience has shown that this is all the more the case with coatings formulated with one or more exempt solvents. This paper examines an underworld of the hidden “angels and demons” implications that coatings with exempt solvents pose, first for surface preparation and then for success or failure in immersion service. Potable water and petrochemical service will be the focus of the internal lining discussion. “Light and darkness” potable water case histories are provided that point to how the success of a high-performance lining system using VOC exempt solvents is more contingent on surface profile characteristics than hitherto anticipated.

Ours is an age of stringent VOC regulations and one of the positive responses from coating formulators has been the advent of innovative high solids coatings that contain exempt solvents. While proper surface preparation for applying lining systems has always been crucial to long term coating success our field experience has shown that this is all the more the case with coatings formulated with one or more exempt solvents. This paper examines an underworld of the hidden “angels and demons” implications that coatings with exempt solvents pose, first for surface preparation and then for success or failure in immersion service. Potable water and petrochemical service will be the focus of the internal lining discussion. “Light and darkness” potable water case histories are provided that point to how the success of a high-performance lining system using VOC exempt solvents is more contingent on surface profile characteristics than hitherto anticipated.

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