Chesterton 650 AML is a high-performing, readily biodegradable lubricant designed to creep into the internal workings of chains, cables, pneumatics, needle bearings, and sliding mechanisms. Watch us test the water miscibility of Chesterton's 650 AML against a standard hydraulic oil. Chesterton 650 Advanced Machinery Lubricant - ​NSF Registered H1 - Environmentally safe ester technology; biodegradable - Self-cleaning, removes residue and sticky build-up - Low friction, significantly reduces power consumption - Reduces wear; prolongs equipment life.