Pemco Frit P-926 M.P./°F 1650 Silica/Alumina ratio: 17.2:1 Equivalent Molecular Weight: 266.992 Molecular Formula of Pemco Frit P-926: K2O 0.241 Al2O3 0.131 SiO2 2.245 Na2O 0.732 B2O3 0.719 Li2O 0.027 Percentage Analysis 50.50 % SiO2 4.99 % Al2O3 8.50 % K2O 17.00 % Na2O 0.30 % Li2O 18.70 % B2O3 _____________________ 100 % TOTAL Comments: 8.4 x 10-6 coefficient of thermal expansion (50-450 °C) I.F.P. °C = 640 Melting Range °F = 1650-1700