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Loctite 222/10ml – Low Strength General Purpose Threadlock
Loctite 222 is a low-strength threadlocker that allows the adjustment of screws including countersunk head screws and set screws. Good on low-strength metals which could fracture during disassembly, e.g. aluminium or brass. The product works on all metals, including passive substrates such as stainless steel, aluminium and plated surfaces. It is proven to be tolerant of minor contamination due to industrial oils, e.g. engine oils, corrosion prevention oils and cutting fluids.
Loctite 222 is designed for the locking and sealing of threaded fasteners which require easy disassembly with standard hand tools. The product cures when confined in the absence of air between close fitting metal surfaces and prevents loosening and leakage from shock and vibration. Particularly suitable for applications such as adjustment of set screws, small diameter or long engagement length fasteners, where easy disassembly is required without shearing the screw. The thixotropic nature of Loctite 222 reduces the migration of liquid product after application to the substrate.
Chemical Type: Dimethacrylate ester
Appearance (uncured): Purple liquid
Fluorescence: Positive under UV light
Components: One component: Requires no mixing
Viscosity: Low, Thixotropic
Secondary Cure: Activator
Typical Curing Performance
Cure Speed vs. Substrate
The rate of cure will depend on the substrate used. The graph shown in the data sheet shows the breakaway strength developed with time on M10 steel nuts and bolts compared to different materials and tested according to ISO 10964.
Cure Speed vs. Temperature
The rate of cure will depend on the temperature. The graph shown in the data sheet shows the breakaway strength developed with time at different temperatures on M10 steel nuts and bolts and tested according to ISO 10964.
Cure Speed vs. Bond Gap
The rate of cure will depend on the bondline gap. Gaps in threaded fasteners depends on thread type, quality and size. The graph shown in the data sheet shows shear strength developed with time on steel pins and collars at different controlled gaps and tested according to ISO 10123.
Cure Speed vs. Activator
Where cure speed is unacceptably long, or large gaps are present, applying activator to the surface will improve curespeed. The graph shown in the data sheet shows the breakaway strength developed with time on M10 zinc dichromate steel nuts and bolts using Activator 7471™ and 7649™ and tested according to ISO 10964.
Typical Properties of Uncured Material
Specific Gravity @ 25°C: 1.05
Viscosity, Brookfield: RVT, 25°C, mPa·s (cP):
–Spindle 3, speed 2.5 rpm: ≥3,500
–Spindle 3, speed 20 rpm: 900 to 1,500LMS
Viscosity, EN 12092: MV, 25 °C, after 180 s, mPa·s (cP):
–Shear rate 277: 135
Typical Properties of Cured Material
Coefficient of Thermal Expansion, ISO 11359-2, – 80×10-6
Coefficient of Thermal Conductivity, ISO 8302, W/(m·K) – 0.1
Specific Heat, kJ/(kg·K) – 0.3
Typical Performance of Cured Material
After 24 hours @ 22 °C
Breakaway Torque, ISO 10964:
M10 steel nuts and bolts N·m 6
Please store this product in the unopened container in a dry location.
Further storage information may be indicated on the product container labeling.
Use only in well-ventilated areas.
Gloves and safety glasses should be worn.
Prolonged or repeated skin contact should be avoided to minimise any risk of sensitisation.
Store in original containers at 8-21°C (46.4-69.8°F) and do not return residual materials to containers as contamination may reduce the shelf life of the bulk product.
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