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Loctite 2700/50ml – High Strength Threadlock
LOCTITE 2700 is a high-strength threadlocker for maximum efficacy in the securing and sealing of bolts, nuts and studs to prevent loosening due to vibration. The product serves to permanently lock assemblies which must not come loose. It works on all metals, including passive substrates . Slight contamination is tolerated. Its key differentiator is the ?White? Material Safety Data Sheet. LOCTITE 2700 carries no hazard symbols, risk or safety phrases and does not contain any declarable carcinogens, mutagens or reproductive toxins.
Loctite 2700 is designed for the permanent locking and sealing of threaded fasteners. The product cures when confined in the absence of air between close fitting metal surfaces and prevents loosening and leakage from shock and vibration. Loctite 2700 is developed for applications where disassembly is not required.
Chemical Type: Dimethacrylate ester
Appearance (uncured): Green liquid
Fluorescence: Positive under UV light
Components: One component: Requires no mixing
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. 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. 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. Activator
Where cure speed is unacceptably long, or large gaps are present, applying activator to the surface will improve cure speed. 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 Cured Material
Coefficient of Thermal Expansion, ISO 11359-2, K-1:
Below Tg: 75×10-6
Above Tg: 166×10-6
Coefficient of Thermal Conductivity, ISO 8302, W/(m·K): 0.4
Glass Transition Temperature (Tg) by TMA: 80
ISO 11359-2, °C
Typical Performance of Cured Material
Cured for 24 hours @ 22°C
Breakaway Torque, ISO 10964:
M10 steel nuts and Black oxide steel bolts (unseated): N·m 20 (lb.in.) (180)
Prevail Torque, ISO 10964:
M10 steel nuts and Black oxide steel bolts (unseated): N·m 19 (lb.in.) (168)
Breakloose Torque, ISO 10964, Pre-torqued to 5 N·m:
M10 steel nuts and Black oxide steel bolts: N·m 34 (lb.in.) (300)
Prevail Torque, ISO 10964, Pre-torqued to 5 N·m:
M10 steel nuts and Black oxide steel bolts (seated): N·m 30 (lb.in.) (265)
Compressive Shear Strength, ISO 10123:
Steel pins and collars (degreased): N/mm² ≥8 (psi) (≥1,160)
Please store this product in the unopened container in a dry location.
Further storage information may be indicated on the product container labeling.
This product is not recommended for use in pure oxygen and/or oxygen rich systems and should not be selected as a sealant for chlorine or other strong oxidizing materials.
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