LD-300L is an aluminum machining lubricant, and room temperature liquid possessing low viscosity, light color, and excellent lubrication properties. It will not attack rubber or plastics, and is used on a variety of applications, leaving no mess or sticky residue. It is our premier lubricant for CNC routers and milling and is also used for roll forming, chain lubrication, metalworking, sawing, drilling, tapping, bending, woodworking, stamping, and forming. *Non-Toxic, Non-Hazardous & Biodegradable. *LD-300L will NOT stain aluminum* Parts do not have to be washed before heat treating or anodizing.