CHOCKFAST ORANGE PR 610-TCF Chockfast is a two-component epoxy resin. Due to its excellent mechanical and chemical properties, it is used in shipbuilding and other types of industry for painting diesel marine engines, gearboxes, generators, bearings, and many other machines. PR – 610 TCF is approved (certified) by the American Shipping Office, Lloyd’s Register, Bureau Veritas, Det Norske Veritas, Germanischer Lloyd, etc