43.Ferro Frit 3831

M.P./°F 1700
Silica/Alumina ratio: 6.8:1
Equivalent Molecular Weight: 186.233

Molecular Formula of Ferro Frit 3831:

	K2O 	0.238 	Al2O3 	0.194 	SiO2 	1.320
	Na2O 	0.139
	CaO 	0.405
	BaO 	0.218

Percentage Analysis

	42.57 % 	SiO2
	10.62 % 	Al2O3
	12.04 % 	K2O
	4.63 % 		Na2O
	12.20 % 	CaO
	17.95 % 	BaO
	_____________________
	100 % 		TOTAL

Comments: 

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