How to Test for Stain and Etch ResistanceTesting determines how a sealer will perform in a client's home. It should represent real-world situations, it should be simple and easy, and it should be controlled and repeatable. I've created a straightforward stain/etch test procedure that uses 14 common staining agents found in almost any home. While not exhaustive, the selection represents various staining agents that reveal the weaknesses and limitations of many sealers and separate out the high-performance ones from the mediocre. The testing procedure simulates spills left on for various lengths of time. This is important, because not all spills are cleaned up immediately and sometimes they're not noticed for a long time after the spill occurs. Because sealers react differently to different substances left on for different exposure times, I've come up with a way to objectively evaluate the sealer's performance, score the results, and make the scores from different sealers directly comparable. This way it's possible to evaluate the performance of a penetrating sealer with a topical product, for example. Return to Testing Concrete Sealers for Counters Find a Concrete Contractor 24 Services in 221 Metros -- U.S. and Canada 
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