NYLOIL MDX (Gray or Blue) – oil-filled cast nylon designed for slightly higher load capabilities. Nyloil oil-filled cast nylon, is carefully dispersed with an oil-based lubricant during the manufacturing process. The result is a highly crystalline, internally lubricated, high-strength polymer with enhanced wear and reduced friction properties. NYLOIL is offered in grades tailored to specific applications: NYLOIL MDX (Gray or Blue) – designed for slightly higher load capabilities (as sold here) Other Grades Include: NYLOIL (Green) – ideal for most anti-friction applications NYLOIL FG (Natural) – specified for direct contact with food – FDA and USDA 3A compliant