Zingalufer (Formally Alufer N) 5ltrZingalufer formally know as Alufer N is a one component polyurethane sealer that is used over Zinga and AquaZinga. Zingalufer provides a protective seal against salt and chemical exposure. It can be used as an intermediate layer or topcoat for an existing layer of Zinga in immersed or chemical environments, for example ship hulls and sewage works. As part of a Duplex system with Zinga (or any zinc coating), the internationally recognised "Mist Coat"