LOCTITE® 5091 is a versatile, UV/visible light-cured adhesive designed for bonding and sealing applications. It offers excellent adhesion to various substrates, including plastics and metals, and is ideal for applications requiring optical clarity and flexibility. With low shrinkage and quick curing, LOCTITE® 5091 is well-suited for precision bonding in electronic, medical, and industrial components.
LOCTITE® 5091 is a high performance, UV/visible light -curable adhesive designed for precision bonding and sealing applications across various industries, including electronics, medical devices, and general manufacturing. Its primary chemistry is acrylate, offering a fast cure speed upon exposure to UV or visible light, making it ideal for automated processes that require quick throughput.
This adhesive provides excellent adhesion to a wide range of substrates, including plastics, glass, and metals, ensuring reliable performance in diverse applications. LOCTITE® 5091 is particularly valued for its optical clarity, flexibility, and low shrinkage, making it suitable for components where visual appearance and tight tolerances are critical.
Additionally, LOCTITE® 5091 exhibits good environmental resistance, maintaining its bond strength and sealing properties under various conditions, including exposure to moisture and chemicals. Its versatility and efficiency make it a go-to solution for manufacturers seeking a robust adhesive that supports high precsion and durable results.
Colour: Clear, colorless
Viscosity: 200 to 500 mPa.s (cP) at 25°C
Cure method: UV/Visible light
Fixture time: Typically within seconds under UV light
Tensile strenght: Approximately 4 to 6 MPa
Elongation at break: 150% to 250%
Hardness: 45 to 55
Refractive Index: Approximately 1.5
Operating Temperature range: -40 °C to +130°C
Service temperature: Continuous up to 130°C , with short term resistance to high temperatures
Shelf Life: tipically 12 months when stored at 8°C to 21°C in original, unopened containers
Primary Chemistry: Acrylate
UV/Visible light Cure
Acrylate Chemistry
Optical clarity
Low Shrinkage
Flexibility
Environmental resistance
Fast Throughput
Versatile adhesion
High aesthetic quality
Durable
Precision bonding
Slow production process
Poor adhesion to diverse materials
Dimensional changes and shrinkage
Aesthetic issues in visible applications
Inflexibility in bonded joints
Environmental degradation of bonds
Electronics:
Optical Displays: Bonding and sealing of LCDs, touchscreens, and other optical displays where clarity and low shrinkage are critical.
Component Encapsulation: Protecting sensitive electronic components by encapsulating them with clear, flexible adhesive.
Led Bonding: Securing LEDs in place while maintaining optical clarity and resistance to thermal cycling.
Medical Devices:
Devices Assembly: Bonding of plastic and metal components in medical devices, where biocompatibility and optical clarity are important.
Catheter and Tubing sealing: Sealing and bonding flexible tubing and cathters, ensuring strong, flexible joints.
Diagnostic Equipment: Assembling and sealing parts of diagnostic devices, ensuring precision and durability.
Automotive:
Lighting systems: Bonding components in automotive lighting systems, such as headlights and taillights, where optical clarity and environmental resistance are required.
Sensor Assembly: Bonding and sealing sensors that require a clear adhesive for optimal performance.
Industrial Manufacturing:
Precision Bonding: Bonding small or intricate components where precision and minimal shrinkage are essential.
Sealing and Potting: Sealing and potting applications that require a clear, flexible adhesive with good environmental resistance.
Optical and Photonics:
Lens Bonding: Securing lenses in camerras, optical instruments, and other devices where optical clarity is paramount.
Fiber optic components: Bonding and securing fiber optic components with minimal impact on signal clarity.
Consumer Electronics:
Mobile Devices: Assembly of mobile phones, tablets, and other portable electronics where clarity, strngth, and durability are needed.
Wearables: Bonding and sealing components in wearables like smartwatches and fitness trackers, ensuring they are durable and flexible.
Aerospace:
Instrument panels: Bonding and sealing instrument panels and other display components in aircraft, where optical clarity and enviromental resistance are crucial.
Sensor Systems: Securing and protecting sensor used in aviation, ensuring reliable performance under varying environmental conditions.
General Manufacturing:
Plastic Bonding: General-purpose bonding of various plastics in manufacturing processes.
Assembly of transparent components: Joining and sealing transparent or translucent components in various products.
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