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Evaluation of Water-Thinned Preconstruction Primers Containing No Metal Pigments
PETERSON BUILDERS INC STURGEON BAY WI
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The primary goal of NSRP Project 3-95-3 was to identify and evaluate water-thinned preconstruction primers PCPs which could potentially be used as viable substitutes for conventional PCPs containing powdered zinc and high levels of volatile organic compounds VOCs. The objectives of this 6-Task 17-month project were to compile a comprehensive list of commercially available water-thinned preconstruction primers PCPs which contain little or no hazardous metal and to evaluate the more promising candidate PCPs by laboratory and shipyard testing. In this work selected PCPs were evaluated for weatherability, compatibility with follow-on coatings, cutting performance, and weldability per MIL-STD-248D.
APPROVED FOR PUBLIC RELEASE