OPTOCAST AC-3716 is a 100%-solids, low-viscosity, one-component, acrylate-based formulation that can be cured almost instantly with exposure to ultraviolet light in the 320- to 380-nm wavelength range, or with heat to cure the shadowed areas. It cures to a soft, compliant material with a Shore A hardness of 60. The adhesive exhibits excellent adhesion to a variety of metal-, ceramic- and glass-filled epoxy surfaces. Circle No. 158