Fiber-Optic-Bond 23, High Temp Epoxy Adhesive, Fast Cure, Low Visc, 2 Part, Fiber Optic Connectors is a low viscosity, two-component epoxy formulation that signals both proper mixing and curing when bonding fiber optic bundles, potting glass fibers, and/or terminating single. Fiber-Optic-Bond 23, High Temp Epoxy Adhesive, Fast Cure, Low Visc, 2 Part, Fiber Optic Connectors is a low viscosity, two-component epoxy formulation that signals both proper mixing and curing when bonding fiber optic bundles, potting glass fibers, and/or terminating single. To secure fibre-optic cables, fibre arrays and waveguides, Hoenle has developed special adhesives that can allow an unimpeded transmission of light at optical interfaces. To maintain their light transmission properties, they do not yellow or otherwise change in colour with age. These adhesives do. Master Bond offers high performance adhesive systems for advanced fiber optic applications. LOCTITE ECCOBOND F 120 is recommended for bonding fiber optic, optical and. Fiber optic cables are the arteries of modern data transmission, silently carrying vast amounts of information at the speed of light. From high-speed internet to advanced medical imaging and critical defense systems, their reliability is paramount.