What is a consequence of using a penetrant at an inappropriate temperature?

Using a penetrant at an inappropriate temperature can lead to issues with adherence, which is critical for effective testing. When the temperature is too low, the penetrant may not flow adequately into the surface defects, preventing accurate detection. Conversely, if the temperature is too high, the penetrant can evaporate or degrade, leading to poor results. Proper temperature ensures that the penetrant remains in the appropriate state to effectively fill cracks or voids in the material being tested.

While the other factors could also present challenges, the primary concern with penetrants relates to their ability to adhere properly to the surface being examined. This adherence is essential for achieving reliable and accurate testing outcomes. Temperature control plays a vital role in maintaining the integrity and effectiveness of the penetrant during the inspection process.