👉 Inspection fluid is a specialized lubricant used in the maintenance and inspection of mechanical systems, particularly those involving rotating parts like pumps, turbines, and gearboxes. It serves as a diagnostic tool to detect wear, damage, or contamination within these components by creating distinct patterns when applied to the surface. These patterns, visible under magnification or through imaging techniques, help technicians identify specific issues such as misalignment, looseness, or surface defects. Commonly used inspection fluids include silicone-based and fluoropolymer formulations, chosen for their low surface tension, high viscosity index, and resistance to extreme temperatures and chemicals, ensuring reliable performance during inspections.