Testex Tape is a highly specialized tool used for measuring the surface profile of a substrate, typically in preparation for coating applications. It is commonly used in industries like construction, automotive, marine, and aerospace, where ensuring the proper surface roughness is critical to achieving the correct adhesion of coatings, paints, and other surface treatments. Testex Tape provides a quick, reliable, and cost-effective method for determining the profile depth of rough surfaces, ensuring coatings are applied in accordance with industry standards.