35.Ferro Frit 3476 M.P./°F 1050 Equivalent Molecular Weight: 352.610 Molecular Formula of Ferro Frit 3476: PbO 1.000 B2O3 1.005 SiO2 0.992 Percentage Analysis 16.90 % SiO2 63.30 % PbO 19.80 % B2O3 _____________________ 100 % TOTAL Comments: 6.0 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