loctite 609

Loctite 609

Loctite 609 is a green, medium-strength retaining compound suitable for bonding cylindrical mating parts. It cures between closely fitting metal surfaces when sealed in an airtight environment. Typical applications include rotor shafts in fractional and sub-fractional horsepower motors. It can lock bushings and sleeves in housings on shafts.

Application method:Dispense gun, Dispense system, Manual
Applications:For close fitting cylindrical parts, Retaining
Color:Green
Cure type:Anaerobic cure
Fixture time:10.0 min.
Gap fill:0.15 mm
Key characteristics:Fluorescent, Shear strength: high shear Strength, Viscosity: low viscosity
Operating temperature:-65.0 – 300.0 °F (-55.0 – 150.0 °C )
Physical form:Liquid
Recommended for use with:Metal
Shear strength, Steel:2300.0 psi (15.0 N/mm² )
Specific gravity, @ 25.0 °C:1.1
Viscosity:120.0 mPa·s (cP)

Product Overview

Loctite 609 is a high-strength, general-purpose, anaerobic-curing retaining compound designed for bonding cylindrical fitting parts. It is ideal for applications requiring resistance to shock and vibration, such as securing bushings, sleeves, and bearings in housings and on shafts. The product cures when confined in the absence of air, providing a durable bond that enhances the performance and longevity of mechanical assemblies.

Key Features & Benefits

  • High Shear Strength: Provides robust bonding for cylindrical parts, ensuring secure assemblies.

  • Low Viscosity: Facilitates easy application and penetration into tight-fitting parts.

  • Anaerobic Cure: Cures in the absence of air, forming a strong bond between metal surfaces.

  • Oil Tolerant: Performs well even on slightly oily or contaminated surfaces.

  • Temperature Resistance: Operates effectively within a wide temperature range.

  • Fluorescent: Allows for easy inspection under UV light.

Typical Applications

  • Securing bearings, bushings, and sleeves in housings and on shafts.

  • Augmenting press fits to restore worn assemblies.

  • Bonding cylindrical parts in electric motors and other machinery.

  • Applications requiring resistance to shock, vibration, and leakage.

How to Use

  1. Surface Preparation: Clean and dry all mating surfaces to remove contaminants.

  2. Application: Apply Loctite 609 evenly to the leading edge of the shaft or inside the bore.

  3. Assembly: Assemble parts promptly, ensuring proper alignment.

  4. Curing: Allow fixture time of approximately 10 minutes; full cure develops over 24 hours at room temperature.

  5. Disassembly: Apply localized heat (approximately 250°C) to weaken the bond for disassembly.

Storage & Handling

  • Storage Conditions: Store in a cool, dry place at temperatures between 8°C and 21°C (46°F and 70°F).

  • Shelf Life: 12 months from the date of manufacture when stored in unopened containers.

  • Handling Precautions: Avoid contact with skin and eyes; use appropriate protective equipment.

FAQs

Q1: Can Loctite 609 be used on oily surfaces?
A1: Yes, it is oil-tolerant and can cure effectively on slightly oily or contaminated surfaces.

Q2: What is the maximum gap that Loctite 609 can fill?
A2: Loctite 609 can fill gaps up to 0.15 mm.

Q3: How long does it take for Loctite 609 to cure?
A3: It has a fixture time of approximately 10 minutes, with full cure developing over 24 hours at room temperature.

Q4: What is the operating temperature range for Loctite 609?
A4: It operates effectively within a temperature range of -55°C to +150°C (-65°F to +300°F).

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