LOCTITE 638 50 ml RETAINING COMPOUND SHAFTS BEARINGS BUSHES SLEEVES HOUSINGS

LOCTITE 638 is a retaining compound supplied in a 50 ml bottle for securing cylindrical metal components in mechanical assemblies. It is used on close-fitting parts that need to be fixed in position after assembly, such as shafts, bearings, bushes, sleeves and housings.

Features

• Retains cylindrical metal assemblies in close-fitting joints


• Cures between mating metal surfaces after assembly


• Suitable for use on shafts, bearings, bushes, sleeves and housings


• Works on active metals and on passive surfaces such as stainless steel and plated parts


• Oil-tolerant for lightly contaminated components


• Intended for mechanical assembly and repair work


• Not generally recommended for plastics, particularly thermoplastics

Specifications

• Pack size: 50 ml


• Formulation: one-part liquid


• Chemistry: acrylic / urethane methacrylate


• Cure type: anaerobic


• Strength classification: high strength


• Viscosity classification: high viscosity


• Colour: green, uncured


• UV characteristic: fluoresces under UV light


• Specific gravity: 1.1


• Viscosity: approximately 2,500 mPa·s at 25°C


• Maximum bond gap: up to 0.25 mm


• Operating temperature range: -55°C to 180°C


• Typical compressive shear strength after 72 hours at 23°C: 29 N/mm² on steel, 28 N/mm² on stainless steel, 17 N/mm² on aluminium


• Recommended unopened storage temperature: 8°C to 21°C

Cross-Reference OEM Part Numbers

• LOCTITE 638


• Henkel IDH: 1803365