Skip to Primary Navigation Skip to Site Navigation Skip to Main Content All Site Map

3M™ Liquid Optically Clear Adhesive 2321

3M ID  AM000001751     
3M™ Liquid Optically Clear Adhesive 2321
3M™ Liquid Optically Clear Adhesive 2321 is designed for lens bonding of large display parts or curved/non-flat surfaces or other applications requiring optical bonding.
Features and Benefits
  • UV curable
  • Bare ITO compatible
  • Fills ink step
  • Whitening resistant
  • Good adhesion to glass-to-glass substrates
  • Good adhesion to Polycarbonate (PC) and PMMA (acrylic) substrates
  • Need Help?

    Questions? We can help

    Contact Us



    Product Attributes

    Adhesive Thickness2.0 - 12.0 mil
    Adhesive Thickness (metric)50.0 - 300.0 microns
    Adhesive TypeAcrylic
    ApplicationBonding Curved/Non-Flat Surfaces, Cover Glass to Touch Panel, Cover Lens to Touch Panel, Gap Filling for Large Displays, Optical Bonding, Touch Sensor Bonding
    Application CategoryBonding
    Cure Energy3,000 mJ/cm^2
    Dielectric Constant5.38 @ 1KHz
    Haze Percentage< 1.0%
    Light Transmission Percentage> 99%
    Performance FeaturesBare ITO Compatible, Fills Ink Step, High Adhesion, UV Curable, Whitening Resistant
    Pluck Adhesion (Glass to Glass)200 (N/cm2)
    Product FormLiquid
    Product Series2321
    Refractive Index1.49
    SubstrateGlass, PC (polycarbonate), PMMA (acrylic)
    Viscosity3,000 cP

    Product Disclaimer

  • The technical information and data shown on this page should be considered representative or typical only and should not be used for specification purposes.
  • 3M products shown on this website may not be available in all geographic regions or may not be available at this time. Please contact your local sales representative to determine product availability.