Silver foil - ginpaku (English spelling)

A type of metal foil. Silver is the second most ductile after gold, and can be made into foil up to 0.15 micrometers thick. The leaf making process is similar to that of gold foil, but the manufacturing conditions are not as strict as for gold foil. In the final foiling process, the silver is sandwiched between Japanese paper coated with graphite and paraffin as lubricants, and then beaten into foil with a foiling machine. It is used in arts and crafts, decorative items, silver cut foil, silver thread (used in weaving), imitation gold cut foil (silver cut foil coated with yellow dye), imitation gold thread, etc.

[Muneaki Shimura]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

金属箔の一種。銀は金に次ぎ展延性に富み、厚さ0.15マイクロメートルの箔にまでなる。製箔工程は金箔の場合に似るが金箔ほど製造条件は厳しくなく、最終箔打ち工程では、潤滑剤として黒鉛、パラフィンを塗布した和紙の間に挟み、箔打ち機で打って箔にする。美術工芸品、装飾品、銀切箔(ぎんきりはく)、銀糸（製織に使う）、擬金切箔（黄色染料を塗った銀切箔）、擬金糸などに用いる。

［志村宗昭］

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