
1) Painting material
Found on
https://www.crosswordclues.com/clue/japan-black

Japan black (also called simply japan) is a lacquer or varnish suitable for many substrates but known especially for its use on iron and steel. It is so named due to the history of black lacquer being associated in the West with products from Japan. Its high bitumen content provides a protective finish that is durable and dries quickly. This allow...
Found on
http://en.wikipedia.org/wiki/Japan_black
No exact match found.