LOCTITE® 243™ is a general purpose threadlocker of medium bond strength. This threadlocker secures and seal bolts, nuts and studs to prevent loosening due to vibration. The product works on all metals, including passive substrates such as stainless steel, aluminum and plated surfaces. It is proven to be tolerant of minor contamination due to industrial oils, e.g. motor oils, corrosion prevention oils and cutting fluid.

Prevents loosening on vibrating assemblies, e.g. pumps, gear boxes or presses

Works on all metals, including passive substrates (e.g. stainless steel, aluminum, plated surfaces)

Proven to tolerate minor contamination by industrial oils, e.g. motor oils, corrosion prevention oils and cutting fluids

Permits disassembly with hand tools for servicing

P1 NSF Reg. No.: 123000

LOCTITE® 243™ provides robust curing performance. It not only works on active metals (e.g. brass, copper) but also on passive substrates such as stainless steel and plated surfaces. The product offers high-temperature performance and oil tolerance. It tolerates minor surface contaminations from various oils, such as cutting, lubrication, anti-corrosion and protection fluids.

The rate of cure will depend on the substrate, bond gap, activator and temperature (Consult the Technical Data Sheet).

Loctite 243 Technical Data Sheet (TDS) – New

Loctite 243 Material Safety Data Sheet (MSDS)

Warning:

Certified to ANSI/NSF Standard 61 for use in commercial and residential potable water systems not exceeding 82° C.
The product is not recommended for use as a sealant for chlorine or other strong oxidizing materials.
The percentage of initial strength may decrease or fail by changing temperature, chemical/solvent resistance, gap size and aging.
This product has been tested to -75°C (-100 F). This product may work below this temperature, but has not been tested.

Conditions for safe storage:

For safe storage, store at or below 38 °C (100.4 °F). Keep in a cool, well-ventilated area away from heat, sparks and open flame. Keep container tightly closed until ready for use.

Product Specification:

Glue Type	Threadlocking
Chemical Type	Dimethacrylate ester
Substrates	Brass, Steel, Cr free, Zinc Organic, Stainless Steel, Zinc dichromate
Colour	Blue
Strength	Medium
Viscosity(CP)	Medium, thixotropic
Fastener Size	Up to 36mm(M36)
Breakloose Torque – Nm(lb.in.)	24(210) Check TDS
Prevailing Torque -Nm(lb.in.)	4(35) Check TDS
Temperature Range	-54°C to + 180°C
Full Cure Temperature	25°C
Temperature Max	182°C
Temperature Min	-53
Fixture Time	10 min
Full Strength	24 hrs
Recommended Primer	7471/7088
Recommended Activator	7088/7091/7649/7471
Disassembly Method	Hand Tool

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