F-900 “TORQUE SEAL” An inexpensive method to detect warranty tampering; and vibration loosening. Used in production on compression fittings, studs, nuts, parts, and assemblies after they are in proper torque or position. Widely used as “Anti-Sabotage Lacquer”. Inspectors can visually detect any movement or tampering; Torque Seal® becomes brittle and will crack. Excellent adhesion to all metals and to most other surfaces. Dries fast. Torque Seal® is packaged in convenient 1/2 oz. poly squeeze tubes.