Würth Klebfix Flex Superglue
Würth Klebfix Flex Superglue
SKU:0893092
24 in stock
Key Features
- Flexible cyanoacrylate superglue designed for applications exposed to thermal and mechanical stress.
- Bonds in seconds, enabling fast assembly and repair.
- High thermal stability with short-term resistance up to 140°C.
- Exceptional impact and peel resistance, even under dynamic loads.
- Improved resistance to moisture, water, and steam compared to standard cyanoacrylates.
- Ergonomic bottle design with a special cap for precise one-handed application and clog prevention.
- Solvent- and silicone-free.
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Description
High-Performance Flexible Superglue
Würth Klebfix Flex Superglue is a black cyanoacrylate adhesive formulated for applications that demand both strength and flexibility. Unlike conventional superglues, it is designed to withstand alternating thermal and mechanical loads without becoming brittle, making it ideal for high-stress bonding tasks.
Durability Under Stress
The adhesive provides excellent impact and peel resistance, even under dynamic loading conditions. Its improved moisture and steam resistance make it more reliable in environments where humidity or water exposure could compromise standard cyanoacrylate bonds.
High Thermal Resistance
With a continuous temperature resistance of -55°C to 120°C and short-term resistance up to 140°C, Klebfix Flex is suitable for use in thermally demanding applications. This includes bonding electronic components on printed circuit boards that must endure soldering processes.
Specialist Applications
Klebfix Flex is particularly suited for:
- Electronics assembly - bonding components that undergo soldering baths.
- Speaker construction - ensuring vibration-resistant bonds under dynamic load.
- Industrial and mechanical applications - where bonded joints face alternating stresses and temperature fluctuations.
User-Friendly Bottle Design
Supplied in an ergonomic, easy-to-handle bottle, Klebfix Flex allows precise one-handed use. Its special cap prevents clogging of the outlet, ensuring clean and controlled dispensing.
Blooming Effect Consideration
As with all cyanoacrylate adhesives, excess adhesive may cause a white deposit (blooming effect) around the bond line due to vapour curing. This can be removed with isopropyl alcohol or acetone, provided the substrate is solvent-resistant. To reduce blooming, apply sparingly, ensure adequate humidity, and provide good ventilation.
More Information
Application Instructions
- Ensure bonding surfaces are clean, dry, and grease-free.
- Apply a thin, even layer of Klebfix Flex Superglue to one surface only.
- Press the parts together immediately with firm pressure to ensure complete contact.
- Hold until the bond sets (typically within seconds).
Usage Notes:
- Processing temperature: 10°C to 35°C.
- Maximum gap: 0.15mm.
- Best results achieved with thin, economical application.
- Refer to the technical data sheet for substrate-specific pre-treatment recommendations.
Safety Warnings
- Bonds skin and eyes instantly - wear gloves and goggles.
- Ensure adequate ventilation during use.
- Keep away from open flames and heat sources.
- Store in a cool, dry place at room temperature.
- Keep out of reach of children.
Specifications
Contents: 18.8 ml
Weight of Contents: 20 g
Chemical Basis: Cyanoacrylate acidic ester
Colour: Black
Density: 1.06 g/cm³
Viscosity: 80–180 mPas
Stretch Capacity: 8%
Max. Gap Size: 0.15 mm
Processing Temperature Range: +10°C to +35°C
Temperature Resistance (Cured): -55°C to +120°C (short-term up to +140°C)
Solvent-Free: Yes
Silicone-Free: Yes