Loctite HY 4090 Hybrid Adhesive, 400g


LOCTITE HY 4090 is an off-white to light yellow, high viscosity, 2-part hybrid, universal structural bonder with high humidity and vibration resistance.

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Loctite HY 4090 Hybrid Adhesive, 400g

LOCTITE HY 4090 is an off-white to light yellow, high viscosity, 2-part hybrid, universal structural bonder with high humidity and vibration resistance.

LOCTITE HY 4090 is a high viscosity, off-white to light yellow gel. It opens completely new application areas in structural bonding – for the very first time combining instant adhesive properties with those for epoxies to give more striking benefits. Fixture time of 90 – 180 seconds and suitable for gaps up to 5 mm. Resistant to vibration, shock loads and impacts with the ability to bond dissimilar substrates. Best application results are achieved with LOCTITE 50 ml Adhesive Mixing Nozzle (item 1826921), LOCTITE 400 ml Adhesive Mixing Nozzle (item 1573135), LOCTITE 96001 (item 267452) or LOCTITE 983439 (item 218311).

  • Vibration, shock loads and impact resistance
  • Temperature resistance up to 150 °C
  • Gap filling up to 5mm
  • High moisture resistance
  • UV resistant allowing outdoor applications

Technical Information

Application Method Dispense Gun
Applications Bonding Plastic, Bonding Rubber, Construction, Direct Bonding, Edge Bonding, Exterior Repairs, Interior Repairs, Structural Bonding, Bonding Dissimilar Materials
Cure Type Two Component Mix, Room Temperature (Ambient) Cure
FEA (Finite Element Analysis) Viscoelastic, Finite Strain
Fixture Time <180.0 sec.
Gap Fill 2.0 mm
Mix Ratio, by Weight 1 : 1
Number of Components 2 Part
Physical Form Liquid
Shear Strength, Steel (grit blasted) 17.0 N/mm² (2420.0 psi )
Substrates 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
Technology Hybrid Chemistry
Color, Mixed White: Off White
Key Characteristics, Mixed Viscosity: High Viscosity, Humidity Resistant, Impact Resistant, Gap Filling, Moisture Resistant, UV Resistant, Cure Speed: Fast Cure, Vibration Resistant
Operating Temperature, Mixed -40.0 – 300.0 °C (-40.0 – 284.0 °F )
Color, Resin Clear
Viscosity, Cone & Plate, Resin @ 25.0 °C 4000.0 – 7000.0 mPa·s (cP)
Color, Hardener White: Off White
Viscosity, Cone & Plate, Hardener @ 25.0 °C 25000.0 – 40000.0 mPa·s (cP)


Myth “is the bottle ONLY half full?”.

Loctite HY 4090 hybrid adhesive

Loctite hy 4090 50g

Loctite HY 4090

Product Documentation: Click Here.

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