LOCTITE® SF 7458 is a premium dichloropyridine surface-activating liquid engineered to accelerate the curing speed of cyanoacrylate adhesives with pre- or post-application. It ensures an excellent aesthetic appearance of bond lines without discoloration or odor.
LOCTITE® SF 7458 is a colorless cyanoacrylate activator liquid formulated with a 1.1% to 1.9% amine-free dichloropyridine base and an n-heptane solvent. It can be applied before or after LOCTITE® instant adhesives, expediting their cure while providing application flexibility and aesthetic enhancement by minimizing post-cure discoloring. As a versatile surface activator, it is especially suited for applications where appearances are crucial, such as colored plastic part assemblies, jewelry, loudspeakers, and cosmetic packaging. LOCTITE® SF 7458 provides a good on-part life of less than 24 hours and a fixture time of 25 seconds.
Appearance: Clear colorless liquid
Active ingredient concentration, %: 1.1 to 1.9
Specific gravity @ 25°C: 0.71 to 0.72
Viscosity @ 20°C, mPa·s (cP): 0.4 to 0.5
Drying time @ 20°C, seconds: ≤45
On part life, hours: ≤24
Fixture Time, ISO 4587, seconds: ≤25
Primary Chemistry: Dichloropyridine
Excessive adhesive outside of the bond line Discoloration of the bond line from exposure to UV, contamination, and more Slow cure of LOCTITE® instant adhesives and other cyanoacrylate adhesives
Cosmetic packaging Colored plastic part assemblies Jewelry Loudspeakers
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