Roiro urushi is made by adding iron to transparent urushi, creating its rich black color through oxidation. It forms a strong, protective coating that helps prevent moisture from reaching the underlying layers. In kintsugi, it is primarily used for base and intermediate coats.
Roiro urushi is made by adding iron to transparent urushi, creating its rich black color through oxidation. It forms a strong, protective coating that helps prevent moisture from reaching the underlying layers. In kintsugi, it is primarily used for base and intermediate coats.
