Product Overview
LOCTITE SF 7471 is an acetone-based activator for LOCTITE anaerobic adhesives and sealants. The product is supplied as a transparent yellow-to-amber liquid and is formulated to accelerate the cure speed on passive metals or inert surfaces, as well as in large bond gaps. LOCTITE SF 7471 is suitable for applications where the ambient temperature is low (below 15 °C).Application and Function
As an activator, LOCTITE SF 7471 increases the reaction rate of anaerobic products by pre-treating the parts to be joined. The product is applied by spraying or brushing onto mating surfaces, allowing the solvents to evaporate, and then applying the anaerobic adhesive within the specified on-part life. The TDS describes a typical drying time at 20 °C of 30–70 seconds and an on-part life of ≤7 days. Application process (information from technical data sheet):- Apply the activator to both mating surfaces by spray or brush; for small bond gaps, one side may be sufficient.
- Allow the solvents to evaporate under good ventilation until the surfaces are completely dry (drying time at 20 °C: 30–70 s).
- Bonded parts should be assembled within the on-part life (≤7 days) and contamination avoided before joining.
- Apply the chosen LOCTITE anaerobic product and assemble the parts; move the surfaces for a few seconds to distribute the adhesive and optimize activation.
Typical Applications
LOCTITE SF 7471 is used where increased cure speed of LOCTITE anaerobic products is required. The product is especially recommended for:- Passive metals or inert surfaces.
- Applications with large bond gaps.
- Situations with low ambient temperatures (<15 °C).
Documentation
View manufacturer's datasheetSpecifications
- Product Name: LOCTITE SF 7471
- Chemical Type: Amine and Thiazole
- Solvents: Acetone and Isopropanol
- Appearance: Transparent, yellow to amber liquid
- Viscosity @ 20 °C: 2 mPa·s
- Specific Gravity @ 25 °C: 0.79
- Drying Time @ 20 °C: 30–70 seconds
- On-part life: ≤7 days
- Recommended for low temperatures: <15 °C
- Availability: 150 ml aerosol, manufacturer's part number 230046 (Henkel/LOCTITE)
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