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LOCTITE® 620™
LOCTITE® 620™ is a high viscosity retaining compound that securely bonds cylindrical fitting parts, preventing loosening and leakage commonly caused by shock and vibration. Its fast curing and enhances the assembly strength and durability of assemblies for various industries.
LOCTITE® 620™ is a high-strength retaining compound formulated for its exceptional bonding and sealing properties. It securely bonds cylindrical fitting parts, such as bearings, lock bushings, cylindrical shafts, subfractional horsepower motors, and augmenting press fits, by filling the gaps between them up to 0.2 mm. Its anaerobic formula makes it capable of curing when confined in the absence of air for these close fitting metal surfaces. The compound is particularly effective in preventing loosening, leakage, and corrosion in mechanical assemblies.
LOCTITE® 620™ provides excellent resistance to high temperatures up to 200°C for applications with extreme conditions. Typical applications include locating pins in dilator assemblies, sleeves in pump housings and bearings in auto transmissions. It is easy to apply, requiring minimal surface preparation and cures quickly, forming a durable bond that enhances overall strength and integrity of assemblies.
Specifications
Chemical Type: Methacrylate ester Appearance (uncured): Green liquid Viscosity: High Viscosity, Brookfield - RVT, 25 °C, mPa·s (cP) (Spindle 5, speed 20 rpm): 8,500 Viscosity, EN 12092 - MV, 25 °C, after 180 s, mPa·s (cP) (Shear rate 129 s¯¹): 1,800 Cure: Anaerobic Secondary cure: Activator Application: Retaining Strength: Medium to high Specific Gravity @ 23°C: 1.16 Specific Heat, kJ/(kg·K): 0.3 Elongation, at break ISO 37, %: <1 Temperature/Humidity Ranges: 23 °C / 50% RH = 23+2 °C / 50 +5% RH
Features & Benefits
High temperature retaining compound and threadlocker Fills bond gaps up to 0.2 mm Maximum strength at room temperature Cures when confined in the absence of air Prevents loosening and leakage from shock and vibration Robust curing performance High temperature performance High viscosity Prevents metal fretting and corrosion
Problems Solved
Backlash in worn assemblies Loosening and leakage from shock and vibration Inability of adhesive to fill difficult-to-reach cracks and crevices
Applications
Bonding of cylindrical parts Retaining higher temperature assemblies Locating pins in radiator assemblies Locking bushings and sleeves into housings and on shafts
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ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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