Pemco Frit P-802 M.P./°F 1350 Silica/Alumina ratio: 8.8:1 Equivalent Molecular Weight: 275.452 Molecular Formula of Pemco Frit P-802: K2O 0.202 Al2O3 0.260 SiO2 2.291 Na2O 0.360 B2O3 0.655 CaO 0.438 Percentage Analysis 49.94 % SiO2 9.61 % Al2O3 6.91 % K2O 8.11 % Na2O 8.91 % CaO 16.51 % B2O3 _____________________ 100 % TOTAL Comments: 9.9 x 10-6 coefficient of thermal expansion (50-450° C) I.F.P. °C = 558 Melting Range °F = 1350-1450