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