Progold S.p.a. – Platina103

Made from 100 percent recycled platinum, Platina103 is a ready-to-use platinum alloy developed to improve durability and casting performance in jewelry. Offering a hardness of 180HV, it can be strengthened to nearly 230HV through heat treatment. With a liquidus temperature roughly 200°C lower than conventional platinum alloys, Platina103 is designed to provide reliable mold filling for both intricate and delicate designs. Suitable for both casting and mechanical processing, the alloy combines high wear resistance and a clean, bright surface finish. It is RJC-CoC certified for full traceability and sustainability.