A photocurable composition comprising cationically curable compound, an
acrylate-containing compound; a hydroxyl-containing compound; a cationic
photoinitiator; and a free radical photoinitiator; wherein said
composition has less than 0.54 equivalents of cationically curable
groups, less than 0.10 equivalents of acrylate groups and less than 0.10
equivalents of hydroxyl groups per 100 grams of said composition.