Food safety is an important issue that all makers and buyers should be aware of.
A ceramic piece's ability to leach harmful chemicals is based on the way all of its materials react when combined. The clay body, the glaze recipe, and the firing temperature all play key roles in determining whether or not a piece is food safe. Combining food safe clay with food safe glaze does not ensure a food safe product.
Acid test: To test if a piece is susceptible to leaching, place a slice of lemon (or a puddle of vinegar) on the glazed surface. Leave it there for a few days. Remove it and look for changes in texture, colour, or sheen. If the acid from the lemon (or vinegar) alters the glaze in any way, the item is not food safe.
No comments:
Post a Comment