20.Ferro Frit 3270

M.P./°F 1500
Silica/Alumina ratio: 10.1:1
Equivalent Molecular Weight: 273.569

Molecular Formula of Ferro Frit 3270:

	K2O 	0.159	 Al2O3 	0.232 	SiO2 	2.340
	Na2O 	0.380 	 B2O3 	0.648
	CaO 	0.461

Percentage Analysis

	51.37 % 	SiO2
	8.65 % 		Al2O3
	5.47 % 		K2O
	8.61 % 		Na2O
	9.45 % 		CaO
	16.45 % 	B2O3
	_____________________
	100 % 		TOTAL

Comments: 

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