Structural adhesives
Fast, high performance, general purpose structural bonder
A general purpose, 2-part, hybrid universal adhesive with very fast fixture at room temperature.
All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.
2205827
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- Description
- Technical specification
- Ratings & reviews
- Question & answer
When you need a fast and powerful general purpose bonder, try LOCTITE® HY 4090 GY. This grey, 2-part, thixotropic, cyanoacrylate/epoxy hybrid universal structural bonder works on a variety of substrates, including metals and most plastics and rubbers. It has excellent temperature and moisture resistance and is suitable for applications where good gap-filling properties are needed, especially on rough and poorly fitting surfaces. For best results, use with LOCTITE® 50 ml Adhesive Mixing Nozzle, LOCTITE® 400 ml Adhesive Mixing Nozzle or LOCTITE® 50ml hand gun.
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Very fast fixture at room temperature
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Bonds a wide variety of substrates
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Excellent temperature and moisture resistance
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Suitable for gap filling on rough and poorly fitting surfaces
Product category:
Structural adhesives
Technologies:
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Cyanoacrylate
Applications:
Structural bonding
Hardener: Viscosity, cone & plate:
25000.0 mPa·s (cP) - 40000.0 mPa·s (cP)
Mixed: Color:
Gray
Mixed: Fixture time:
< 180.0 sec.
Mixed: Gap fill:
2.0 mm
Mixed: Key characteristics:
Environmental resistance,Humidity resistant
Mixed: Lab shear strength, Mild Steel (grit blasted):
17.0 N/mm² (2420.0 psi)
Mixed: Mix ratio, by weight:
1:1
Mixed: Operating temperature:
-40.0 °C - 150.0 °C (-40.0 °F - 300.0 °F)
Number of components:
2 part
Resin: Viscosity, cone & plate:
4000.0 mPa·s (cP) - 7000.0 mPa·s (cP)
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 GY 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 GY is available in 50 g dual cartridge. Nozzles and dispense gun are sold separately.
Refrigerated storage is not required for this adhesive. Refer to the product TDS for recommended storage.
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