ProLink CEM Primer 5ml. - Silmet. Primer for Zirconia and Glass Ceramic. Versatile and reliable for low retention surfaces. ProLink Cem Primer provides an enhanced adhesive surface to ceramic, hybrid ceramics, composite resin and metal in total-etch, self-etch or selective-etch mode. It contains dual coupling agents, 10-MDP, and silane methacrylate for increased bond strength to zirconium, alumina, glass-ceramics, metal alloys, and composites.