Applications

LOCTITE® 444™ – CA adhesive for plastics and elastomers

Brand: LOCTITE®
Product Number: 444
Manufacturer: Henkel
Technology: Ethyl Cyanoacrylate
Color: Clear
Form: Liquid
Cure Type: Surface Moisture Cure (Cyanoacrylate)

Package Sizes:

  • 20 g bottle

  • 50 g bottle

  • 500 g bottle

Shelf Life: 12 months (when stored unopened at 2°C to 8°C)

Product Description

LOCTITE® 444 is a low-viscosity, fast-curing cyanoacrylate adhesive specifically designed for bonding plastics and elastomers. It provides rapid fixture times at room temperature and is particularly effective on porous or acidic surfaces where conventional instant adhesives may cure more slowly. The product delivers strong bonds with minimal surface preparation, making it suitable for high-speed industrial assembly applications.


Key Features

  • Fast fixture time on plastics and rubbers

  • Low viscosity for capillary action and close-fitting parts

  • Excellent adhesion to porous and acidic substrates

  • One-component system – no mixing required

  • Room-temperature cure

  • Clear bond line for aesthetic applications


Recommended Applications

  • Bonding plastics and elastomers

  • Assembly of small components

  • Medical device components (non-implant)

  • Electronic parts and housings

  • General industrial instant bonding

Technical Data

Typical Uncured Physical Properties

Property Value
Chemical Type Ethyl Cyanoacrylate
Appearance Clear liquid
Viscosity @ 25°C 80 – 120 mPa·s (cP)
Density @ 25°C 1.05 g/cm³

Typical Cured Characteristics

Property Value
Fixture Time (Steel/Steel) 20 – 40 seconds
Full Cure Time 24 hours
Service Temperature Range -40°C to +80°C

Typical Performance Characteristics

Property Test Method Value
Tensile Shear Strength (Steel/Steel) ISO 4587 15 N/mm²
Tensile Shear Strength (ABS/ABS) ISO 4587 8 N/mm²
Impact Resistance ISO 9653 3 kJ/m²

Storage Conditions

Store in original unopened containers at 2°C to 8°C.
Allow adhesive to reach room temperature before use.
Protect from moisture and direct sunlight.

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