Applications

LOCTITE® 4011™

  • Item Name: LOCTITE® 4011™
  • Manufacturer: Henkel
  • Product Category: Instant Adhesives
  • Technologies: Cyanoacrylate (Ethyl cyanoacrylate)
  • Applications: Bonding difficult-to-bond materials including metals, plastics, elastomers, and porous/absorbent substrates (e.g., wood, paper, leather, fabric); suitable for disposable medical device assembly
  • Color: Transparent, colorless to straw-colored liquid
  • Cure Type: Humidity cure
  • Package Size: Contact Avantek for details
  • Shelf Life: Contact Avantek for details

1. Product Overview

LOCTITE® 4011™ is a low-viscosity ethyl cyanoacrylate adhesive designed for bonding difficult-to-bond materials, providing uniform stress distribution and strong shear strength. It bonds metals, plastics, elastomers, and porous materials such as wood, paper, leather, and fabric. The product is suitable for medical device assembly and complies with ISO 10993 biocompatibility standards.

2. Applications

  • Bonding metals, plastics, and elastomers
  • Assembly of medical devices
  • Bonding porous and absorbent materials (wood, paper, leather, fabric)

3. Typical Properties

Property Value
Uncured Properties
Specific Gravity @ 25°C 1.06
Viscosity (mPa·s) 70-110 (Cone & Plate), 90-140 (Brookfield LVF)
Cure Method Humidity
Cured Properties
Glass Transition Temp. (°C) 121
Thermal Conductivity (W/m·K) 0.4
Dielectric Breakdown Strength (kV/mm) 33
Volume Resistivity (Ω·cm) 277×10¹⁵
Curing Performance
Fixture Time (Steel) 20-45 sec
Fixture Time (Aluminum) 2-10 sec
Fixture Time (Wood) <1-30 sec (varies by type)
Adhesive Strength
Tensile Strength (Buna-N) ≥6.9 N/mm² (10 sec cure), 8-15 N/mm² (72 hrs cure)
Lap Shear Strength (Steel) 17-24 N/mm²
Lap Shear Strength (Aluminum) 2-11 N/mm²
Environmental Resistance
Heat Resistance (up to 100°C) Retains ~75% strength after 5000 hrs
Chemical Resistance Good resistance to motor oil, gasoline, ethanol, and isopropanol
Sterilization Resistance Maintains bond strength after EtO, Gamma, and 1 cycle of autoclave sterilization

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