3M Optically Clear Adhesive 8142KCL is for general purpose optical bonding including display touch applications where very good adhesion and ITO compatibility is required. Soft for easy lamination and moderate ink step wettability. 2 mils thick.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. 8142KCL is 2 mils thick.