16.Ferro Frit 3248

M.P./°F 1900
Silica/Alumina ratio: 7.2:1
Equivalent Molecular Weight: 411.346

Molecular Formula of Ferro Frit 3248:

	K2O 	0.307 	Al2O3 	0.609 	SiO2 	4.410
	Na2O 	0.108 	B2O3 	0.276
	CaO 	0.383
	MgO 	0.202

Percentage Analysis

	64.39 % 	SiO2
	15.09 % 	Al2O3
	7.03 % 		K2O
	1.63 % 		Na2O
	1.98 % 		MgO
	5.22 % 		CaO
	4.66 % 		B2O3
	_____________________
	100 % 		TOTAL

Comments: 

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