Alocrom 1000 produces protective coatings on aluminium and its alloys without significantly changing the appearance of the aluminium surface. It is recommended where a very low surface electrical resistance is required or the aluminium is to be subsequently lacquered and so the surface must be uniformly metallic. Paint adhesion to this coating is excellent, and the electrical resistance is lower than either Alocrom 1200 coatings or untreated alloy. Some key features include: