28A.Ferro Frit 3304

Mol Wt: 382.5
Fusion temp:1500 °F

Molecular Formula:

	Na2O 	0.07 	Al2O3 	0.15 	SiO2 	2.58
	PbO 	0.93

Percentage Analysis:

	40.5 % 	SiO2
	1.1 % 	Na2O
	54.4 % 	PbO

Comments: 

	6.6 x 10-6 coefficient of expansion; similar frits - Hommel 61