3M contrast enhancement films (CEF) are specialized optically clear adhesives offering excellent clarity and adhesion to various transparent display substrates. CEF28xx is UV curable and designed for ink step filling and display bonding applications. Available in 6 thicknesses: 1, 2, 3, 4, 5, 6 mils. 3M Contrast Enhancement Film 28XX is designed for applications that require soft adhesive for filling thick ink steps (lens border frame), ITO compatibility, mura resistance, and high adhesion. 3M CEF28XX adhesive is UV curable which makes it suitable for film touch panel and LCM display bonding applications. Available in the following product numbers: CEF2801, CEF2802, CEF2803, CEF2804, CEF2805, CEF2806.