An ultraviolet (UV) light curable formulation useful for repairing
composite materials, comprising: an acrylic oligomer, an acrylic monomer,
and a photoinitiator. This formulation may include fiberglass. The
photoinitiator can be a combination of a bis-acylphosphine oxide and an
alpha hydroxy ketone. The formulation can cure rapidly, such as in about
20 minutes. The cured formulation can have a T.sub.g above 150.degree. C.