Black Sundras

Black Sundras

Black Sundras is a traditional natural stone prized in wood finishing for its ability to strengthen and enrich polish. Similar to varnish and lacquer hardeners, it enhances the durability of the coating while deepening the natural grain and luster of wooden substrates. Long valued as a core ingredient in classic polish blends, Black Sundras contributes to a smoother, more resilient finish, ensuring wood surfaces retain their shine and character over time.