High strength, low viscosity, red, methacrylate-based LOCTITE 271- Rigid&Toughened Structural Bonding LOCTITE® 271 is a red, low viscosity, methacrylate-based threadlocking adhesive which fluoresces under UV light to threadlocking adhesive with high strength. With steel allow monitoring. fixture time of 10 min, brass 5 min and stainless steel 15 min. Can tolerate slight contaminations of industrial oils. Suitable for all metal fasteners. Breakaway torque on M10 bolts of 26 Nm. Fluoresces under UV light.