Henkel Adhesive Technologies
Universal Structural Bonder 


Product category: Structural adhesives

Data sheets

Product information

LOCTITE® HY 4090 GY is a grey, 2-part, general purpose, thixotropic, cyanoacrylate/epoxy hybrid universal structural bonder. It bonds a variety of substrates including metals, most plastics and rubbers. It provides good temperature and moisture resistance and is suitable for applications where good gap filling properties on rough and poorly fitting surfaces are required. Best application results are achieved with LOCTITE® 50 ml Adhesive Mixing Nozzle (item 1826921), LOCTITE® 400 ml Adhesive Mixing Nozzle (item 1573135) or LOCTITE® 96001 (item 267452).

Hardener: Viscosity, cone & plate: 

25000.0 mPa·s (cP) - 40000.0 mPa·s (cP)

Mixed: Color:


Mixed: Fixture time:

< 180.0 sec.

Mixed: Gap fill:

2.0 mm

Mixed: Key characteristics:

Environment Resistant,Humidity Resistant

Mixed: Lab shear strength, Mild Steel (grit blasted):

17.0 N/mm² (2420.0 psi)

Mixed: Mix ratio, by weight:


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)

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