How to repair big chipped area or lost pieces（Silver maru powder polish finishing）
Process reconstruct missing area/ piece, apply lacquer, sprinkle metal powder
Day1： Apply a coat of basic lacquer as foundation, apply kokuso
Day2： Shape kokuso, apply Sabi
Day3： Polish Sabi, apply a coat of basic lacquer
Day4： Apply tame-uruhi (black lacquer)
Day5： Polish with water and sand paper, apply bengara-urushi (red lacquer)
Day6： Polish with water and sand paper, apply tame-uruhi, sprinkle metal powder
Day7： Apply 1st coat of basic lacquer
Day8 : Apply 2nd coat of basic lacquer
Day9 : Polish, Finish
１．Use masking tape to cover any area that might get dirty during the process.
２．Cut a piece of #400 sandpaper into a square around 1cm in size, fold it in 3 and polish the chipped area. Apply a layer of basic
lacquer to the chipped area with a brush and gently press with a piece of tissue paper to remove extra lacquer.
４．Apply to big chipped area or lost pieces area with a toothpick or a spatula. The thickness of to be applied each time is aprox.
2-4mm. If the chipped area is larger than that, repeat the process after it is dried for a few times.
５．Set the piece aside to dry in a urushi-buro for around 1 to 2 months.
６．When the kokuso is well dried, arrange the approximate shape with a cutter or a carving knife.
８．Apply with a toothpick or spatula to arrange the shape.
９．After letting the sabi dry for over 24 hours, remove the extra sabi with a cutter or a carving knife.
１０．Once you arranged the shape with a cutter, sand down the sabi with #800 sandpaper and water until the surface is smooth.
１１．When the shape is neatly arranged, apply a layer of basic lacquer to the sabi with a brush and gently press with a piece of
tissue paper to remove extra lacquer.
１２．When the basic lacquer is dry, gently polish the surface with water and #800 sand paper.
１４．Apply with a brush and let dry in a urushi-buro.
１５．When the tame-urushi is dried, polish the surface with water and #1500 sand paper
１６. Make bengara-urushi.
１７．Avoid discovering the sabi under the lacquer while polishing. Apply bengara-urushi with a brush and let dry in a urushi-buro.
１８．When the bengara-urushi is dried, polish the lacquer surface with water and #1500 sand paper.
１９．After nicely polished, let’s get ready to sprinkle silver maru powder. Apply tame-urushi uniformly in a very thin layer. After
applying the thin layer of lacquer, let it sit for 5-30min, when the surface of the lacquer begins to dry, sprinkle the silver maru
powder with the sprinkle brush (ashirai-kebo).
２０．When it is well dried in the urushi-buro , clean the extra silver maru powder with a brush.
２１．Apply a coat of basic lacquer over the maru powder so that the powder may absorb the lacquer, gently press with a piece of
tissue paper to remove extra lacquer. Repeatedly press with clean tissue paper until no marks of lacquer remain on the tissue.
This process is called Fun-gatame.
２２．Let dry in a uruhi-buro.
２３．When the lacquer is dried, repeat the Fun-gatame process.
２４．Let dry in a for at least 10 days.
２５．Make abura-tonoko(mixture of tonoko and oil)
２６．Apply abura-tonoko on a piece of cotton and polish the area sprinkled with maru powder.
２７．Apply ishi-ko(polishing stone powder) on your finger and rub the area.
２８．Polish with a polishing spatula. Finish.
＊Left over abura tonoko can be kept in food wrap.