19.Ferro Frit 3269

M.P./°F 1400
Silica/Alumina ratio: 6.4:1
Equivalent Molecular Weight: 356.634

Molecular Formula of Ferro Frit 3269:

	K2O 	0.306 	Al2O3 	0.462 	SiO2 	2.950
	Na2O 	0.641 	B2O3 	0.778	F 	0.300
	CaO 	0.009
	ZnO 	0.044

Percentage Analysis

	49.68 % 	SiO2
	13.21 % 	Al2O3
	8.08 % 		K2O
	11.14 % 	Na2O
	0.14 % 		CaO
	1.00 % 		ZnO
	15.15 % 	B2O3
	1.60 % 		F
	_____________________
	100 % 		TOTAL

Comments:

	 10.0 x 10-6 coefficient of expansion (50-450° C)