Loctite HY 4090 Hybrid Structural Adhesive

Overview

Loctite HY 4090 is a high-viscosity, 2-part hybrid universal structural bonder combining epoxy and cyanoacrylate chemistries for excellent humidity and vibration resistance. It fixtures in 90-180 seconds, fills gaps up to 5mm, and bonds metals, plastics, rubber, composites and wood with resistance to vibration, shock, impact and UV exposure.

Specifications

Color

Off white (mixed); resin clear, hardener off white

Base Type

Hybrid (epoxy/cyanoacrylate)

Viscosity

Resin 4,000-7,000 cP / Hardener 25,000-40,000 cP @ 25°C

Cure Type

Room temperature (ambient) cure; mix ratio 1:1 by weight

Service Temperature

-40°C to 300°C (-40°F to 572°F)

Fixture Time

90-180 seconds

Technical Information

• Shear strength 17.0 N/mm² (2,420 psi) on grit-blasted steel
• Gap fill up to 5mm (0.2 in)
• Vibration, shock, impact and UV resistant

Typical Applications

• Fast-fixturing structural bonding across dissimilar materials
• Gap-filling bonds up to 5mm
• Interior and exterior repairs and construction

Industries

Technical Documents