Michem® Indicator 001 is an indicator solution to prove the presence of primer on a
Using a graduated eye dropper, dipense 10 drops of the indicator on the treated sheet. Stream the indicator across the length and width of the sheet. Wait 30 seconds, then blot the excess with an absorbent towel. When applied on dry surfaces which have been properly treated with Michelman Primer coatings, the indicator will change color from blue to yellow.