Chemfilm DF1100 is a multilayer cast PTFE film, fully fused with one surface modified to render it receptive to many conventional adhesives, elastomers, resins and potting compounds. The surface treatment was developed to assure that its application over pure PTFE would not degrade or discolor the basic film. - The unique bonding layer will adhere to a variety of adhesives and elastomers while the other surface maintain all the properties of PTFE. Superior performance in a wide range of chemical, thermal and electrical environments.