Heliobond Refill 11g Bottle, 1/Pk. Heliobond is a light-curing single-component bonding agent to optimize enamel bonding with all light-curing restorative materials. Light-curing agent. Indicated for enamel bonding. Provides transparent sealing on fissures and restorations. Forms a bonding layer for composite, crown and bridge restorations. Heliobond is a single-component, light-curing bonding agent used as an adhesive for enamel bonding. It works well with Syntac to form a transparent seal on fissures and restorations.It optimizes enamel bonding with all light-curing restorative materials and creates a bonding layer for composites, crowns, and bridge restorations. Ideally applied in conjunction with the enamel etch technique.