Economical  but tough, finely woven nylon fabric treated with a release agent. Used to separate the absorber, breather and vacuum bag from the laminate in vacuum bagging operations. Also used in hand lay-up applications to allow more squeegee pressure and protect the lay-up from contamination. Peels easily and leaves a smooth textured surface, ready for bonding or finishing. Not recommended for post-cure temps over 120° F.