Refurbish Lacquer Cracks in Bore
Chipped Urushi in the top of the bore.
This is Honshu Red Urushi.
It takes about two weeks to cure in a wet box.
Cracked interior lacquer in the root end.
This si Shuai Urushi lacquer. It is a translucent dark brown.
Polymerization happens in a few hours and curing is quicker than Honshu Red, about one week