Structural adhesives
Universal structural bonder for all your design and assembly challenges
A high viscosity, 2-part hybrid universal structural bonder with excellent humidity and vibration resistance.
All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.
Size Please make your selection 50 g
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- Description
- Technical specification
- Ratings & reviews
- Question & answer
LOCTITE® HY 4090 is a fast and powerful, high viscosity, off-white-to-light-yellow universal bonder. In the world of structural bonding, it is unique, combining strength and speed to provide powerful, long-lasting bonds. It has a fixture time of 90-180 seconds and is suitable for gaps up to 5mm (0.2"). Resistant to vibration, shock and impact, it works with a wide range of substrates. For best results, use with LOCTITE 50 ml Adhesive Mixing Nozzle, LOCTITE 400 ml Adhesive Mixing Nozzle, LOCTITE 96001, or LOCTITE 983439.
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Vibration, shock and impact resistant
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High temperature- and moisture-resistance
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UV-resistant for outdoor applications
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Fixture time: 90-180 secs
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High shear strength
- Product category:
- Structural adhesives
Technologies:
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Acrylates, specialties
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Cyanoacrylate
- Application method:
- Dispense gun
- Applications:
- Bonding dissimilar materials,Bonding plastic,Bonding rubber,Construction,Direct bonding,Edge bonding,Exterior repairs,Interior repairs,Structural bonding
- Cure type:
- Room temperature (ambient) cure,Two component mix
- FEA (finite element analysis):
- Finite strain,Viscoelastic
- Fixture time:
- < 180.0 sec.
- Gap fill:
- 2.0 mm
- Hardener: Color:
- Off white
- Hardener: Viscosity, cone & plate, @ 25.0 °C:
- 25000.0 mPa·s (cP) - 40000.0 mPa·s (cP)
- Mix ratio, by weight:
- 1 : 1
- Mixed: Color:
- Off white
- Mixed: Key characteristics:
- Cure speed: fast cure,Gap filling,Humidity resistant,Impact resistant,Moisture resistant,UV resistant,Vibration resistant,Viscosity: high viscosity
- Mixed: Operating temperature:
- -40.0 °C - 300.0 °C (-40.0 °F - 284.0 °F)
- Number of components:
- 2 part
- Physical form:
- Liquid
- Recommended for use with:
- Composite,Composite: advanced composites,Dry surface,Elastomer: highly filled elastomer,Epoxy,Fiberboard,Gel coat,Laminate,Metal,Non-gel coat,Painted surface,Phenolic,Plastic,Rubber,Thermoplastic,Thermoset,Urethane: cast urethane,Vinyl,Wood
- Resin: Color:
- Clear
- Resin: Viscosity, cone & plate, @ 25.0 °C:
- 4000.0 mPa·s (cP) - 7000.0 mPa·s (cP)
- Shear strength, Steel (grit blasted):
- 17.0 N/mm² (2420.0 psi)
How to use
It is recommended to use the correct LOCTITE® cleaner for the surface to be bonded (such as LOCTITE® SF 7070) to degrease and clean surfaces prior to applying the adhesive.
Place cartridge in dispense gun. Remove cap from cartridge. Dispense a small amount so that material is coming out of both sides of cartridge. Attach mix nozzle and dispense a bead at least half of the length of the nozzle. The material is ready to use.
Apply a bead of material to one of the surfaces to be bonded. Join the parts and fixture in a way to prevent movement of the part until handling strength is obtained.
FAQ
A hybrid adhesive is a mix of two adhesive chemistries. For example, the LOCTITE® HY 4090 is cyanoacrylate/epoxy mix.
Yes, hybrids are two-part products. Bumping and purging ensures product is flowing from both sides and mix at the proper mix ratio.
LOCTITE HY 4090 is available in 50 g & 400 g dual cartridges. Nozzles and dispense guns are sold separately.
No, it is not recommended to use LOCTITE HY 4090 for bonding to glass.
Refrigerated storage is not required for this adhesive. Refer to the product TDS for recommended storage.
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Large volume or special order?
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