Description
Loctite 638 is a high-strength, fast-curing retaining adhesive designed for bonding cylindrical metal parts with close tolerances. It provides excellent gap-filling capability and strong resistance to vibration, shock, and thermal expansion. Ideal for heavy-duty industrial and automotive applications, Loctite 638 ensures permanent, reliable assembly of components.
Key Features
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High Strength: Strong retention for press-fit and slip-fit assemblies
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Gap Filling: Suitable for parts with slight clearance between metal components
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Fast Curing: Quickly achieves handling strength once confined
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Vibration & Shock Resistant: Prevents loosening under dynamic loads
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Corrosion Protection: Seals threads and gaps to prevent rust and fretting
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Temperature Resistant: Performs reliably across a wide operating temperature range
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Oil-Tolerant: Works effectively on slightly oily or contaminated surfaces
Typical Applications
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Bonding bearings, bushings, sleeves, and gears
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Securing rotors, pulleys, and shafts
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Industrial machinery and automotive assemblies
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Heavy-duty applications requiring permanent, high-strength retention