Loctite HY 4070 Hybrid Structural Adhesive

USD 32.59

Two-part hybrid gel adhesive with 5mm gap fill, -40°C to 100°C limits, and <60s fixture. High-strength structural bonding for metals, rubbers, and plastics.

SKU LOCTITE-HY4070-10g Category
Top Brands > Loctite

Loctite HY 4070 Hybrid Structural Adhesive, 11g

Model Identifier HY 4070
Official Part Number 2264448
GTIN Standard 4058093011973

Technical Overview

Two-part hybrid gel adhesive with 5mm gap fill, -40°C to 100°C limits, and <60s fixture. High-strength structural bonding for metals, rubbers, and plastics.

Key Features

  • Ultra-fast fixture time of under 60 seconds on standard substrates (0.05 mm gap)
  • Fills large assembly gaps up to 5.0 mm (0.2 in)
  • Non-sag gel consistency ideal for vertical and overhead applications
  • High temperature resistance from -40°C up to 100°C (-40°F to 212°F)
  • Excellent moisture, chemical, UV, and vibration resistance
  • Bonds broad range of materials including metals, rubbers, and most plastics
  • Includes ready-to-use 11 g dual-syringe container with static mixing nozzles

Two-component hybrid cyanoacrylate/acrylic gel with ultra-fast cure and 5 mm gap-fill.

Technical Specification Matrix

ParameterValue
TechnologyCyanoacrylate / Acrylic Hybrid
Chemical Type (Resin)Ethyl Cyanoacrylate
Chemical Type (Hardener)Methacrylate
Mix Ratio (by Volume)10:1
Physical Form (Mixed)Gel
Resin ColorYellow
Hardener ColorClear
Resin Specific Gravity @ 25°C1.05 to 1.1
Resin Viscosity @ 25°C (Cone & Plate)200 to 1,300 mPa·s
Hardener Viscosity @ 25°C (Cone & Plate)1 to 30 mPa·s
Fixture Time (Aluminum, 0.05 mm gap)<60 seconds
Fixture Time (Aluminum, 2.0 mm gap)4 to 6 minutes
Gel Time in Mixer Nozzle4 to 5 minutes
Lap Shear Strength (Grit Blasted Steel)25.0 N/mm² (3,625 psi)
Operating Temperature Range-40.0°C to 100.0°C (-40.0°F to 212.0°F)
Physical Weight (kg)0.04
Dimensions L x W x H (cm)14 x 5 x 3.5

Industrial Applications

1. On-Site General Machinery & Bracket Repairs

Fast-setting structural bonding of structural frames, loose mounting brackets, and machine housing parts in heavy industrial processing plants where minimal downtime is critical.

Problem Solved

Replaces slow-curing epoxies that cause prolonged machine downtime. With a fixture time of under 60 seconds and strong shear strength, the hybrid chemistry allows parts to return to active load-bearing service immediately.

hybrid structural adhesivefixture timemetalslap shear strengthdowntime reduction

2. Vertical and Overhead Enclosure Mounting

Securing polymeric wiring clips, sensor brackets, and metal nameplates onto vertical steel columns or overhead structural panels within HVAC ducts and large electrical control cabinets.

Problem Solved

Standard liquid adhesives run down vertical surfaces causing weak bonds and messy residue. The non-sag gel consistency of HY 4070 keeps the product localized, while the 10:1 hybrid mix guarantees a high-strength bond across dissimilar materials.

non-saggel consistencydissimilar materialsvertical bondingoverhead application

3. Uneven Joint Seal and Gasket Bonding

Bonding custom profile rubber seals or thick elastomeric gaskets onto cast-iron housing covers where mating flanges are warped or uneven.

Problem Solved

Standard cyanoacrylates cannot span gaps wider than 0.1 mm and turn brittle, failing under joint vibration. HY 4070 fills gaps up to 5.0 mm and provides elastic, shock-resistant adhesion that remains stable under temperature and humidity exposure.

gap fillingelastomer bondingmoisture resistantshock resistancethermal stability
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