PETROMARK® 10442 THREADLOCKER PURPLE is a purple low strength fluorescent locking agent with medium viscosity. Excellent alternative to Loctite 222. Suitable for threated joints, which are removable later on and for small threads. Suitable for all metal threaded assemblies. Low strength,making it easy to disassemble. Thermal range – 55 ° C0 up to +150 ° C. Clearances up to 0,20mm. Specially developed for screws with length of 2D. For threadlocking screws with fine pitch threads. Stops screws vibrating loose and seals against leakage. Fluoresces under UV light for inspection and enable quality control.