Part no. (SKU/IDH):
1370535
IDH Name:
LOCTITE® 243, 5 ml Blister card
Threadlockers
Blue, medium-strength, primerless threadlocker
This iconic threadlocker locks and seals metal nuts and bolts to prevent loosening due to shock and vibration. Medium-strength: removable with hand tools.
Part no. (SKU/IDH):
1370535
IDH Name:
LOCTITE® 243, 5 ml Blister card
Size Please make your selection 5 ml
Packaging type Please make your selection Blister card
All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.
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- Description
- Technical specification
LOCTITE® 243 is a blue, general purpose threadlocker that provides a medium-strength bond. It works on all metals without primer, including passive substrates such as stainless steel, aluminium and plated surfaces. Suitable for use on most oil-coated, ‘as-received’ fasteners without cleaning.
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Prevents fastener loosening on vibrating assemblies, e.g. pumps, gearboxes or presses
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Works on all metals, including passive substrates
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Suitable for use on most oil-coated, "as-received" fasteners without cleaning
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Can be disassembled with ordinary hand tools for easy service and maintenance
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NSF/ANSI 61 certified
- Product category:
- Threadlockers
Technologies:
-
Acrylates, anaerobic cure
- Application method:
- Dispense gun; Dispense system; Manual
- Application temperature:
- -55.0 °C - 180.0 °C (-65.0 °F - 360.0 °F)
- Applications:
- Threadlocking
- Breakaway torque, M10 Steel Nuts/Bolts:
- ~ 26.0 N·m (~ 230.0 in./lb.)
- Colour:
- Blue
- Cure type:
- Anaerobic cure
- Fixture time:
- 10.0 min.
- Key characteristics:
- Disassembly: removable; Fluorescent; General purpose; Oil tolerant; Primerless; Strength: medium strength; Thixotropic
- Physical form:
- Liquid
- Prevail torque, M10 Steel Nuts/Bolts:
- 5.0 N·m (40.0 in./lb.)
- Recommended for use with:
- Metal; Metal: passive metal
- Specific gravity, @ 23.0 °C:
- 1.08
- Viscosity, Speed 20 RPM:
- 2150.0 mPa·s (cP)
How to use
It is recommended to use LOCTITE® SF 7063/7064 to degrease and clean surfaces prior to applying adhesive.
If cure speed is too slow due to passive metals (stainless steel, aluminium and plated metals) or low temperature (below 5°C), use activator LOCTITE® SF 7240 or LOCTITE® SF 7649 (see cure speed vs activator graph in the TDS).
Apply liquid threadlocker to the engagement area. For manual dispensing, the use of a peristaltic handgun or the LOCTITE® Pro Pump is recommended to ensure a consistent application volume.
Insert bolt and apply threadlocker to the exposed thread. Assemble nut and tighten to the correct/specified torque.
Apply into lower third of blind hole.
Assemble and tighten. If several bolts are being assembled, torque them down to the correct value within the fixture.
Disassemble with standard hand tools.
FAQ
Prevent vibration loosening, prevent leaks, protect threaded components from corrosion and increase the reliability of mechanical fasteners by using a LOCTITE® anaerobic threadlocking adhesive.
The standard continuous operating temperature range for LOCTITE® anaerobic adhesives is -55˚C to +150˚C.
Depending on the specific application requirements, high-performance grades are also available offering increased temperature resistance. Please consult with the Henkel technical team for availability and grade selection.
Yes, Henkel's anaerobic adhesives become highly resistant thermoset polymers once cured, making them suitable for a vast number of applications. Consult our online product resources or contact our technical teams for further information.
Yes, these products are all anaerobic adhesives that will function in a similar way. Variations in the adhesive characteristics (viscosity, gap-fill, strength etc.) will make them better suited to certain applications. Consult the product technical data sheets and/or Henkel representatives for further information.
Henkel has a number of products available with varying levels of NSF® or WRAS® approval, amongst others. Please contact the Henkel sales or technical teams with your requirements.
Care must be taken when using adhesives to seal against pure oxygen systems. LOCTITE® 577 and LOCTITE® 55 have BAM approval and can be considered for such applications.
All necessary H&S measures and PPE (personal protection equipment) requirements can be found on the product material safety data sheet, all of which are available via our website.
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