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Reference
Bestsellers
Cashew Urushi Coating
Cashew Urushi Plain Coating (Urushi work)
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Reference Cashew Co., Ltd.(Japan) (www.cashew.co.jp) patented and introduced Cashew Urushi from 1950, introduced the coating reference booklets (Japanese language version only). This coating sample pages are simply followed with the Cashew company's reference booklets, (Cashew.Booklet PDF file). Also, some other respectable published books, videos, or websites might be useful reference for coating and restoration.
Lower Cost Alternative Urushi |
![]() Some of Jingasa, Kabuto seems to be coated thin cloth or rice paper on iron/steel surface; but, coating process is the same. But, the surface should be smoothly finished. ![]() |
Bugu - Mask (Hanburi) The mask was made of iron/steel, there are two ways; one is directly to coat on iron; other is coat rice paper or thin cloth by Nikawa glue (made from the skins, bones, tendons and intestines of animals or fish skins and bones.) or half transparent (semi-transparent) Cashew urushi or Sejime Urushi (Hon-Urushi). |
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Undercoating (first layer) First, paint edge area with "Cashew Undercoat 2go", adding 20% of Cashew Thinner (or paint thinner which natural spirit alcohol based lacquer thinner, not mineral sprit.); then, coat entire area with "Cashew brush". (If the object is wood, might be first use Hera (spatula) to filling tiny space of surface, rather than simply coating.; then, use brush to complete.). Wait drying for one night, and sanding with #240 sandpaper. |
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Mid coating (Mid layer) Second, paint edge area with "Cashew Surfacer", adding 20%-30% of Cashew Thinner (or paint thinner which natural spirit alcohol based lacquer thinner, not mineral sprit.); then, coat entire area with "Cashew brush"or splaying with airbrush. Wait drying for one night, and sanding with #320, then, sanding 400 sandpapers. (But, if the coating looks like thin; then, paint one more time.) |
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Final Coating
Clean up all surface of object (no dust and no oily area), apply desired "Cashew color urushi",
adding 15% to 30% of Cashew Thinner (or paint thinner which natural spirit alcohol based lacquer thinner, not mineral sprit.); then, coat entire area with "Cashew brush", or
splaying with airbrush.
Wait drying for 48hours (black, transparent color is 24 hours). (if the coating looks like thin; then, sanding the surface with #400 sandpaper, coat one more time.) The above coating process is typical one of manufacturer recommended coating, entire coating process takes 4 to 5 days to complete. Note: Before complete dry, place gold leaf (24K) carefully with soft brush, after cutting desired design such as Kamon, pattern marking. Hon-Urushi coating is similar; but, polishing is more sensitively taking place with "Sumi" instead of sandpapers for polishing. Thinner: Turpentine(Pure Gum) is widely used for both Hon-Urushi and Cashew Urushi as natural thinner. |
Cashew Urushi Color sample from catalog of Cashew Co., Ltd. (Japan)
