32.Ferro Frit 3454 M.P./°F 1450.0 Silica/Alumina ratio: 10.1:1 Equivalent Molecular Weight: 708.228 Molecular Formula of Ferro Frit 3454: K2O 0.120 Al2O3 0.480 SiO2 4.846 Na2O 0.217 B2O3 3.121 CaO 0.126 PbO 0.536 Percentage Analysis 41.10 % SiO2 6.90 % Al2O3 1.60 % K2O 1.90 % Na2O 1.00 % CaO 16.90 % PbO 30.60 % B2O3 _____________________ 100 % TOTAL Comments: 5.5 x 10-6 coefficient of expansion (50-450° C) Potential Health Hazards: Contains Lead-avoid ingestion. NOT FOR USE WITH WARE INTENDED FOR FOOD. Follow safe firing practices