Heres the technical side of things for Dura Coat .  Performance:  Conical Mandrel Passes 1/8” mandrel. Direct impact resistance 100 in.  lb. Reverse impact resistance 80 in. lb. Salt Spray test 300 hrs. Pencil  hardness H to 2H. Characteristics: Volume solids 21.0 to 32.5 +/- 1%.  Film thickness can be varied from .25 to 1.5 mils dry. Laymans Terms :)  Chemical Resistant – Protects your weapon from harsh environments, most  lubricants and oils, solvents, and other potentially harmful chemicals.