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Crucible is made of clay bonded high grade fused silica and withstands temperatures up to 2500°F / 1,371°C. NOTE: Pre-heat the crucible prior to use and glaze with Borax, this will prolong the life of the crucible.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.