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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
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    Overview

    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
    Shrinkage4.70%
    SubstrateGlass, PC (polycarbonate), PMMA (acrylic)
    Viscosity3,000 cP

    Product Disclaimer

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