👉 An automatic fluid, also known as an automatic lubricant or self-lubricating fluid, is a type of lubricant designed to reduce friction and wear between moving parts without the need for external application or mechanical intervention. These fluids are engineered to maintain a consistent level of lubrication, even under extreme conditions such as high temperatures, vacuum environments, or in situations where traditional lubricants might fail due to contamination or degradation. They typically consist of a base fluid, often silicone-based, and additives that enhance their performance characteristics. This makes them invaluable in applications ranging from aerospace and automotive engineering to industrial machinery and medical devices, where reliable and efficient operation is critical.