3M Contrast Enhancement Film CEF05XX Series is a durable, general purpose optically clear adhesive offering excellent clarity and adhesion to various transparent display substrates. 3M film CEF05XX is a bare ITO compatible with easy-to-convert adhesive that does not require UV curing. It is durable, general purpose OTA for glass cover lens to sensor or sensor to sensor bonding.3M Optically Clear Adhesives (OCA) are highly specialized optically clear free-film adhesives offering excellent clarity and proven adhesion to various types of transparent substrates. 3M OCAs are easy to convert and are virtually contaminant-free, resulting in improved bubble resistance in lamination exposed to high temperature and high humidity. A common application example is display bonding. Available in the following product numbers: 8146-1, 8146-2, 8146-3, 8146-4 and 8146-5.