Hommel Frit 259

M.P./°F 1500

Silica/Alumina ratio: 7.1:1

Equivalent Molecular Weight:  324.203



Molecular Formula of Hommel Frit 259:

	K2O   0.208	Al2O3  0.374	SiO2  2.639
	Na2O  0.739	B2O3   0.770	F     0.247
	CaO   0.016		
	ZnO   0.038		

     Percentage Analysis

	 48.91 % 	SiO2 
	 11.75 % 	Al2O3
	  6.04 % 	K2O  
	 14.14 % 	Na2O 
	  0.27 % 	CaO  
	  0.94 % 	ZnO  
	 16.50 % 	B2O3 
	  1.45 % 	F     
	_____________________
	100 % 		TOTAL

Comments: 10.3 x10-6 Coefficient of expansion