LOCTITE 640 high strength, good temperature resistance, slow curing retainer Your benefits Slow cure Ideal for parts with longer positioning time, e.g. larger diameters Also for active metals, like brass components Technical Data Diametrical clearance: Up to 0.1 mm# Tensile shear strength: 22 N/mm Service temperature range: -55C to +175C Fixture time on steel: 2 h Pack sizes: 50ml