LOCTITE 4314

Harmonization Code : 3506.10.00.00 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg

LOCTITE 4314

Main features

  • One-Component Adhesive System
  • Dual-Cure Bonding Processing
  • Low-Blooming Bonding Cure

Product Description

LOCTITE® 4314™ is a one-component, UV/light-curing ethyl cyanoacrylate adhesive formulated with a photoinitiator to provide rapid fixture speeds, surface cure capability and reliable bonding of plastics, rubbers and metals. The adhesive combines a primary UV/visible light cure mechanism with a secondary moisture-cure system, allowing cure in both exposed and shadowed bond areas. Its fluorescent appearance under UV light supports bond-line inspection and quality verification, while its low-blooming characteristics help maintain clean finished assemblies. The product is designed for high-speed industrial and medical-device assembly processes requiring fast curing and visual inspection capability.

Key Features & Benefits

  • Dual-cure system with UV/visible light primary cure and secondary humidity cure.
  • Rapid fixture and surface cure performance.
  • Fluorescent under UV light for inspection and process verification.
  • One-component adhesive requiring no mixing.
  • Bonds plastics, metals and elastomeric materials.
  • Low-blooming cyanoacrylate technology.
  • Suitable for precision manufacturing and medical-device assembly.

Recommended Applications

  • Disposable medical device assembly.
  • UV-curable bonding operations.
  • Plastic, rubber and metal component bonding.
  • Applications requiring UV fluorescent inspection.
  • Automated and high-speed production lines.
Product Family

LOCTITE 4314

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Appearance
Appearance at room temperature.
Transparent Light Yellow Green to Dark Blue Green Liquid
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
1.07
Physical Properties
Viscosity
Viscosity is a measurement of a fluid’s resistance to flow. Viscosity is commonly measured in centiPoise (cP). One cP is defined as the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP. A product like honey would have a much higher viscosity -around 10,000 cPs- compared to water. As a result, honey would flow much slower out of a tipped glass than water would. The viscosity of a material can be decreased with an increase in temperature in order to better suit an application
100 - 250 mPa.s

Additional Information

Technical Properties

As-Supplied / Before-Processing Properties

Property Value Unit Condition
Technology Cyanoacrylate / UV — UV/light-curable cyanoacrylate adhesive
Chemical Type Ethyl Cyanoacrylate — Photoinitiator-containing formulation
Appearance Transparent Yellow-Green to Dark Blue-Green Liquid — Uncured
Density 1.10 g/cm³ Typical value
Fluorescence Positive Under UV Light — For inspection and quality control
Flash Point 80 °C Tagliabue Closed Cup
Components One Part — No mixing required
Primary Cure Mechanism UV / Visible Light — Secondary cure by ambient humidity
Technical Properties

After-Processing / Final-State Properties

Property Value Unit Condition / Method
Cure Mechanism Dual Cure — UV/Visible light cure with secondary moisture cure
Bond-Line Inspection UV Fluorescent — Visual verification under UV light
Boiling Point >149 °C Safety Data Sheet
Solidification Temperature <-25 °C Safety Data Sheet data for similar UV cyanoacrylate family
Water Reactivity Rapid Polymerization — Polymerizes upon contact with moisture
Polymerization Type Exothermic — Triggered by water, amines, alkalis and alcohols
Environmental Classification Aquatic Chronic 3 — H412 Harmful to aquatic life with long lasting effects
Storage Stability Stable — Under recommended storage conditions
Respiratory Classification STOT SE 3 — May cause respiratory irritation

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