3M Optically Clear Adhesive 826x is bare ITO compatible and outgassing resistant. It is commonly used in touch screen displays and other applications requiring an optically clear bond. Particular examples include plastic light guide and cover lens bonding. Available in 3 thicknesses: 2, 4, 7 mils.3M Optically Clear Adhesives (OCA) are highly specialized optically clear, free-film adhesives offering superior clarity and excellent adhesion to various types of transparent substrates. 3M OCAs are easy to convert and are 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: 8262, 8264, and 8267.