Applications

LOCTITE® 380 – Rubber-toughened cyanoacrylate adhesive for bonding metals, plastics, and rubbers.

  • Item Name: LOCTITE® 380
  • Manufacturer: Henkel
  • Product Category: Instant Adhesives
  • Technologies: Cyanoacrylate (Ethyl cyanoacrylate, rubber-toughened)
  • Applications: Bonding metals, plastics, and rubbers; designed for increased flexibility, enhanced peel strength, and improved shock resistance
  • Color: Black
  • Cure Type: Humidity cure
  • Package Size: Contact Techniq VN for details
  • Shelf Life: Contact Techniq VN for details

1. Product Overview

LOCTITE® 380 is a rubber-toughened ethyl cyanoacrylate adhesive, offering increased flexibility, peel strength, and enhanced shock resistance. It is a single-component adhesive that cures upon exposure to atmospheric moisture.

2. Applications

  • Bonding metals, plastics, and rubbers
  • Suitable for applications requiring toughness and flexibility
  • Used in various industrial bonding applications

3. Typical Properties

Property Value
Appearance Black liquid
Viscosity (25°C, mPa·s) 100 to 800
Specific Gravity (25°C) 1.1
Cure Mechanism Humidity
Fixture Time (Seconds) Steel: 60-120, Aluminum: 10-30, Neoprene/Nitrile: 15-25, ABS: 20-50, PVC: 50-100, Polycarbonate: 30-90, Phenolic: 20-60
Glass Transition Temp. (°C) 120
Thermal Conductivity (W/m·K) 0.1
Coefficient of Thermal Expansion (K⁻¹) 80×10⁻⁶
Volume Resistivity (Ω·cm) 10¹⁵
Dielectric Breakdown Strength (kV/mm) 25

4. Performance (Cured Material)

Test Result
Lap Shear Strength (N/mm²) Steel: 26 (3,770 psi), Aluminum: 18 (2,610 psi), ABS: >6 (870 psi), PVC: >4 (580 psi), Polycarbonate: >5 (725 psi), Phenolic: 10 (1,450 psi), Neoprene/Nitrile: >10 (1,450 psi)
Tensile Strength (N/mm²) 18.5 (2,700 psi)
180° Peel Strength (Steel, N/mm) ≥2.6 (≥14.85 lb/in)

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