LOCTITE® 638 is a high-strength retaining compound designed for bonding cylindrical fitting parts with larger gaps up to 0.25mm. It resists vibration, shock, oils, and high temperatures for durable industrial assemblies.
Key Features:
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High-strength retaining adhesive for cylindrical metal parts
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Fills gaps up to 0.25mm, ensuring strong, durable bonds
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Works on both active (mild steel) and passive (stainless/plated) metals
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Prevents loosening and leakage due to vibration and shock
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Tolerates minor surface contamination from oils
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Temperature resistance up to +180 °C
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Pack size: 50ml standard bottle
Applications / Usage:
Ideal for bonding bearings, gears, sleeves, and bushings in heavy-duty equipment, pumps, gearboxes, and motors. Ensures reliable retention where high strength and gap-filling ability are required.
Why Choose Loctite 638?
Part of Henkel’s premium Loctite range, LOCTITE® 638 delivers superior performance with high strength, oil tolerance, and heat resistance. Trusted globally for industrial bonding, sealing, and retention.