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What is ASTM D7234 Pull-Off Adhesion Testing about?

This document provides a summary of ASTM D7234, which establishes a standard test method for evaluating the pull-off adhesion strength of coatings on concrete. It describes using a portable pull-off adhesion tester to apply a perpendicular tensile force to a coated surface until the coating detaches. The apparatus includes a loading fixture adhered to the coating, a detaching assembly, and a force applicator. The procedure involves selecting test sites on flat coated surfaces, preparing the sites, attaching

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likodblackbord

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EN