640 Retaining Compound, High Strength, 50mL Bottle
Loctite 135520 640 Retaining Compound Series 640 is a high-performance liquid adhesive designed for cylindrical fittings, offering exceptional retaining properties. Housed in a 50ml bottle, it comprises a blend of Methacrylic Acid, Monoester With 1,2 Propanediol, Polymer With 4,4'-Methylenediphenyl Diisocyanate, Polyglycol Dimethacrylate, Hydroxyalkyl Methacrylate, Acrylic Acid, Cumene Hydroperoxide, and Cumene, ensuring strong and reliable bonds. The compound has a sharp, irritating odor and boasts a green color. With a specific gravity of 1.12 and a viscosity range of 450 to 750mPa/s, it guarantees easy application and excellent adhesion. Its cure time is 24 hours, and it contains 3.04% VOCs. Operating effectively within a wide temperature range, from -65°F to +300°F, this Loctite 640 compound is perfect for retaining applications requiring durability and resilience.