Hommel Frit 33 M.P./°F 1225.0 Equivalent Molecular Weight: 273.300 Molecular Formula of Hommel Frit 33: Na2O 0.282 B2O3 0.565 SiO2 0.934 PbO 0.718 Percentage Analysis 20.54 % SiO2 6.39 % Na2O 58.71 % PbO 14.36 % B2O3 _____________________ 100 % TOTAL Formule en Pourcentage Molaire : Na2O 11,294 % PbO 28,755 % B2O3 22,547 % SiO2 37,405 % Comments: 10.9 x10-6 Coefficient of expansion O.Hommel Co. Potential Health Hazards: contains Lead - avoid ingestion. DO NOT USE FOR WARE INTENDED FOR FOOD.