La alpaca o la plata nueva tienen un color plateado. La alpaca se usa a menudo para elaborar monedas conmemorativas debido a su gran resistencia al deslustre (decoloración por oxidación).
La alpaca 12 % se usa principalmente para fichas de pago, mientras que la alpaca 18 % se usa sobre todo para motivos conmemorativos debido a su color plateado brillante.
La alpaca tiene las ventajas de la calidad del latón, y además se considera una aleación segura. Las fichas de alpaca son difíciles de copiar porque la aleación solo se produce para aplicaciones de acuñación de monedas.
La alpaca tiene una firma electromagnética específica y una densidad de material que permite que los validadores de monedas electrónicos la distingan fácilmente de otras monedas.
Disponemos de los dos tipos de moneda más frecuentes de níquel-latón en existencias:
Alpaca 12 %
Alpaca 18 %
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