An inexpensive method to detect warranty tampering or vibration loosening. Used in production on compression fittings, studs, nuts, parts, and assemblies after they are in proper torque or position. Widely used as an "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. 1/2 ounce tube.