Data provided by DuPont Packaging Polymers. Mylar® OL13AF is a biaxially oriented polyester (OPET) film with an amorphous polyester heat seal layer. It is used as a heat sealable lidding film in packaging refrigerated and frozen foods. Mylar® OL13AF is dual ovenable film which provides very strong, aggressive seals to polar substrates such as amorphous polyester (APET, also PETG), semicrystalline polyester (CPET), polyester coated paperboard, and polyvinylchloride (PVC). Mylar® OL13AF does not seal to polyethylene, polypropylene, or polystyrene. DuPont Teijin Films offers another family of lidding films (RL types) for sealing to these substrates. Mylar® OL13AF is similar to OL12AF but has a thicker seal layer than Mylar® OL12AF to give enhanced seal strength. In general, Mylar® OL13AF can produce non-peeling, near "lock-up" type seals and is recommended for hot fill applications where non-peeling seals are desired. It can also be used in some "post-pasteurized" (steam sterilization) applications where the pressure balance in the package can be properly controlled (via vacuum or overpressure). Mylar® OL13AF lidding films have excellent grease and oil resistance. Mylar® OL13AF lidding films are available with anti-fogging capability to provide better clarity when stored and displayed in .refrigerated conditions. This film type is marketed by DuPont Teijin Films as OL13AF. |