And various wires can be used together in sheets of wire netting. In Taiwan mostly recycled silver is used, typically about 99 % pure. But thin silver wire cracks easily, unless using more ductile imported fine silver which is 99.9 % pure.
國內銀材的來源，大部分來自廢五金回收，純度約為九九，如果要抽很細的銀絲時，為了防止銀絲斷裂，必須使用純度九九九、韌性及延展性更佳的進口銀材。