Things You Will Need
The way that urushi cures -- and its relatively slow drying time -- allow artisans to apply multiple ultra-thin coats with a paintbrush. If you want to simulate the look and finish of traditional Japanese lacquerware without urushi, you need a comparable material. You'll achieve the best results using brushable lacquer for all coats.
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Start with a well-sanded, smooth surface or substrate. Japanese lacquerware pieces often have a substrate made with cedar wood or bamboo, but it can also be paper, leather or even metal. Check the item's surface to ensure it is free of milling marks, chips, gouges or nicks before proceeding. Any defects on the item will show up in its finish.
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Mix the brushable lacquer -- available from any paint or home improvement store -- with the pigment to add color. Pour a bit of the pigment into the lacquer from a jar or squeeze it from a tube, stirring the mixture as you work. Stop adding pigment when you obtain the color you want. Brushable lacquer contains retarding thinners that keep it wet longer than spray lacquer. As a result, it levels better and makes a smoother surface.
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Paint a thin coat of the pigmented lacquer onto the item using a high-quality artist's brush. Size the brush according to the amount of area you need to cover, keeping in mind that the open time of the lacquer -- the amount of time it stays wet -- is probably about 20 minutes.
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Let the lacquer dry for several hours, as per the manufacturer's instructions on the product. It won't cure like urushi, so there's no need to wait for several days between coats as Japanese artisans do.
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Sand the lacquer lightly with 400-grit wet-dry sandpaper, then wipe off the sanding dust and apply another thin coat of lacquer. You can build up several coats or the item's finish in this way. Japanese lacquerware pieces typically have as many as 20 coats of urushi or more. Wet the sandpaper with water to sand the last few coats, but don't sand the final coat.
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Paint two of three coats of clear lacquer over the finished piece. The clear coat adds extra protection for your item. Sand the undercoats with moistened 600-grit wet-dry sandpaper, but don't sand the last coat.