Difference between revisions of "Lead sesquisilicate"
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== Description == | == Description == | ||
| − | A type of [ | + | A type of [[lead silicate]] used by potters as a lead frit glaze. Lead sesquisilicate is toxic and may form lead fumes during firing. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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lead frit | lead frit | ||
| + | == Risks == | ||
| + | |||
| + | * Highly toxic by ingestion and inhalation. | ||
| + | * Human carcinogen, teratogen and suspected mutagen. | ||
| + | * CTM Potters Supplies: [https://www.ctmpotterssupplies.co.uk/SMLCTM%2041%20Lead%20Sesquisilicate%2027022017.pdf SDS] | ||
| + | ==Physical and Chemical Properties== | ||
{| class="wikitable" | {| class="wikitable" | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 690-850 | + | | 690-850 C |
|} | |} | ||
| − | == | + | ==Resources and Citations== |
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* Michael McCann, ''Artist Beware'', Watson-Guptill Publications, New York City, 1979 | * Michael McCann, ''Artist Beware'', Watson-Guptill Publications, New York City, 1979 | ||
Latest revision as of 08:37, 7 October 2022
Description
A type of Lead silicate used by potters as a lead frit glaze. Lead sesquisilicate is toxic and may form lead fumes during firing.
Synonyms and Related Terms
lead frit
Risks
- Highly toxic by ingestion and inhalation.
- Human carcinogen, teratogen and suspected mutagen.
- CTM Potters Supplies: SDS
Physical and Chemical Properties
| Composition | 2PbO - 3SiO2 |
|---|---|
| Melting Point | 690-850 C |
Resources and Citations
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992