ITW DYKEM Cross-Check Bolt Anti-loosening Verification Paste provides a convenient visual inspection method for nut, bolt and other fastening and assembly parts to prevent loosening and tampering identification, and provides tampering marking measures for fulfilling the warranty responsibility. If the assembly is If it is tampered with or loosened, the marking will be interrupted. Where torque is required (such as key connecting bolts such as steam turbines, wind turbine blade connecting bolts, locomotive bogies, etc.), a reliable torque marking scheme is provided. The bright fluorescent color is clearly visible under high brightness and ultraviolet light irradiation. It is easy to judge whether the paint mark is deformed or broken due to tampering or loosening. It has excellent adhesion to metal and other substrates, and it is safe and non-corrosive to the surface of metal materials.