4.Ferro Frit 3185

M.P./°F 1350.0
Equivalent Molecular Weight: 807.240

Molecular Formula of Ferro Frit 3185:

	K2O	1.000 	B2O3 	4.430 	SiO2 	7.270

Percentage Analysis (weight %)

	52.08 % 	SiO2
	11.23 % 	K2O
	36.69 % 	B2O3
	_____________________
	100 % 		TOTAL

Percentage Molaire :

	K2O	7,87 %
	B2O3	34,88 %
	SiO2	57,24 %


Comments: 

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