LOCTITE® SF 7471 is an acetone and isopropanol solvent-based anaerobic primer for anaerobic adhesives and sealants on passive metals or inert surfaces. It provides excellent curing at temperatures below 15°C (59°F) with a drying time of 30 to 70 seconds.
Appearance: Transparent, yellow to amber liquid
Specific gravity @ 25°C: 0.79
Viscosity @ 20°C, mPa·s (cP): 2
Drying time @ 20°C, seconds: 30 to 70
On part life, days: ≤7
Fixture time, ISO 4587, minutes: ≤25;
LOCTITE® SF 7471 is a one-component activating primer designed by Henkel to enhance the cure speed of anaerobic adhesives and sealants. It contains an amine and thiazole chemical type with acetone and isopropanol solvents, producing a very low viscosity transparent, yellow to amber liquid with an on-part life of 7 days. It dries in 30 to 70 seconds on passive metals or inert surfaces with large bond gaps. LOCTITE® SF 7471 is suitable for use in low-temperature applications, ensuring rapid curing in conditions with temperatures below 15°C (59°F).
Slow cure of LOCTITE® anaerobic adhesives and sealants
Poor adhesion to passive metals or inert surfaces
Poor bonding in low temperatures
Accelerate cure of LOCTITE® anaerobic adhesives and sealants
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