?UV irradiation condition : High-pressure mercury lamp, 75mW/cm2 at 365nm, for 4 sec(300mJ/cm2). ?Peel Strength (90o Peel): Pass the 2kg roller in each direction at a rate of 300mm/min. Aging time ; 20min. Rate of peel ; 300mm/min. ?Holding power : Pass the 2kg roller in each direction at a rate of 300mm/min. Load ; 1kg/25㎜×25㎜. ?TD:Transverse Direction, MD:Machine Direction.