A general term for all types of black lacquer coloured by adding iron compounds to transparent lacquer. As opposed to lacquer coloured with black pigment (ie. lampblack), the consistency and hardness after curing are maintained. However, it may fade and discolour faster than pigmented black lacquer in the presence of ultraviolet light. Types of black lacquer include: Roiro-urushi, hana-urushi, haka-shita.
Lit. black lacquer.

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