ASTM F904 is a test method that covers a procedure for comparing the bond strength or the ply adhesion of similar laminates made from flexible materials to as cellulose, paper, plastic film, and foil. This includes laminates made by various the processes: adhesive laminates, extrusion coatings, extrusion laminates, and coextrusion.
Before conducting ASTM F904, it is important to read the - specification. The Standards can be obtained from the appropriate standard authorities.