LOCTITE® 221 is a methacrylate-based threadlocking adhesive designed for low strength applications on small threads up to a maximum size of M12. Typical fixture times are 25, 20 and 210 min on steel, brass and stainless steel respectively. Offering low viscosity and a breakaway torque of 8.5 Nm, the product is designed for fasteners that require easy disassembly with standard hand tools.
Low strength, low viscosity threadlocking adhesive. Formulated for small metal threads up to M12.
- Low viscosity
- Designed for small threads
- Various pack sizes
- Low strength
|Chemical Basis / Base||Methacrylate|
|Fixture Time||20.0 – 210.0 min.|
|Substrates||Metal: Brass, Metal: Steel, Metal: Steel – Stainless Steel|
|Viscosity, Brookfield – RVT, @ 25.0 °C Spindle 1, speed 20 rpm||100.0 – 150.0 mPa·s (cP)|