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Loctite 638
Gives best resistance to dynamic, axial and radial loads. Recommended for retaining shafts, gears, pulleys and similar cylindrical parts. KWT approval for cold and hot water.
Strength Required: High, Handling Strength: 8 min, Diametrical Clearance: up to 0.25mm, Temperature Resistance:150°c, Pack Sizes: 50ml, 250ml.
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Loctite 641
Recommended for parts that will need subsequent dismantling i.e. retention of bearings onto shafts and into housings.
Strength required: medium, Handling strength: 30 min, Diametrical clearance: up to 0.1mm, Temperature resistance: 150°c, Pack sizes: 10ml, 50ml, 250ml.
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Loctite 648
Recommended for high temperature retaining of parts with a clearance or interference fit i.e. retaining bushes, bearings, seals, fans and liners.
Strength Required: High, Handling Strength: 5 min, Diametrical Clearance: up to 0.15mm, Temperature Resistance:175°c. Pack Sizes: 50ml, 250ml
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Loctite 660
Used for repairing worn coaxial parts without remachining; enables re-use of worn bearing seats, keys, splines, tapers, or for retaining shims.
Strength Required: High, Handling Strength: 20 min, Diametrical Clearance: up to 0.5mm, Temperature Resistance: 150°c, Pack Sizes: 50ml
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