A set of two panels, each measuring 3.875 x 1.875 inches (100 x 35mm), sheared from the same stock with matching crack patterns. Makes simultaneous comparison of two penetrant batches practical. Specify crack sizes of 10µm, 20µm, 30µm, 50µm.
VersaSonic is the most versatile couplant, from high temperature to turbine rotors to extreme weather inspections. VersaSonic is a low-toxicity, biodegradable couplant that does NOT contain peanut oil.