Molochite 30-80

Article number: P-1915
Availability: Out of stock
Al2O3 37%, SiO2 48%  White calcined china clay used as a fine powder to increase the firing temperature and reduce the tendency to crawl of glazes that have high clay content. Larger sizes are used as grog inducing mechanical stability and resistance to thermal shock through the development of mullite crystals. Glass jar is for illustration purposes only.
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