3M Optically Clear Adhesive CEF08XX Series is an optically clear adhesive for multi-purpose bonding of smooth or textured, transparent substrates. 3M CEF08XX is recommended for general, non-touch applications. No UV curing is required.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. 3M adhesive OCA 821X has excellent adhesion to glass. A common application example is display bonding. Available in the following product numbers: 8211, 8212, 8213, 8214 and 8215.