Suma Silver D8 Suma Silver D8 is a highly effective product for detarnishing of silver and silver plated items, including cutlery, serving dishes, table decorations, etc. Suma Silver D8 is a specially formulated product for detarnishing of silver and silver plated items, including cutlery, serving dishes, table decorations, etc. The product contains a blend of acid, reducing agent and surfactant for easy and effective detarnishing of silver and silver plated materials. Manufacturer Details Manufacturer Diversey Manufacturer Code 7516503