Re: Mexican Pottery--lead-free glazes?

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Escrito por mexhapati artesan ceramica desde ( el día miércoles, 28 de diciembre, 2005 a las 11:31:08 horas :

En respuesta a: Mexican Pottery--lead-free glazes? escrito por La Linda desde ( el día miércoles, 28 de diciembre, 2005 a las 00:35:08 horas :

Over the years the Mexican government has taught many of the native artesans how to adapt and produce non lead ware.

As the other posters note, the old talavera ceramics fired at cone 08 was not hot enough to eliminate the lead naturally present in many ceramic glazes. Most of the earthenware (terra cotta) items you'll see in the mercados probably are not safe. Also have seen a lot of earthenware bisque painted over with bright color paints and lacquers that are not ceramic, these are not safe.

For any lead present in a glaze to literally evaporate the piece must be fired at or below Cone 04.

The colors may not be as bright, the body will feel much more compact or dense in lead free ceramics. Usually a text on the back will read a seal with the text "Lead Free" or "Libre de Plomo" in spanish.

The lead test markers used by the FDA are available on line and very easy to use.

PS All of Mexhapati's talavera dishware are Lead Free!

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