23A.Ferro Frit 3288 Wt: 225.5 Fusion temp 1800 °F Molecular Formula: Na2O 0.31 AL2O3 0.11 SiO2 1.89 K2O 0.01 B2O3 0.61 CaO 0.68 Percentage Analysis: (Weight%) 50.36 % SiO2 4.97 % Al2O3 0.42 % K2O 8.52 % Na2O 16.91 % CaO 18.82 % B2O3 Comments: similar frits - Fusion F-65, Glostex GF-103