Potash Feldspar

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Used as a flux in bodies and as a major constituent in glazes. It melts at approximately 1200C. Excellent as a flux for stoneware glazes making glazes more viscous with a wider fir ing range. Also known as Custer Feldspar. Analysis:11.3% K2O 3.2% Na2O18.5% Al2O 65.8% SiO2 Please read the safety information prior to purchase and use: Safety Data Sheet (pdf) Show more