MYLAR® OL3T is a biaxially oriented polyester film with a thick amorphous polyester heat seal layer designed specifically for giving leak proof/peelable seals to ridged APET coated card trays and smooth walled aluminum foil trays.  It has a corona treatment on the non-sealable side to promote adhesion of inks and adhesives.


MYLAR® is a registered trademark of DuPont Teijin Films for its polyester film.  Only DuPont Teijin Films make MYLAR®