Pemco Frit Pb-742

Cost/lb: $1.00

M.P./°F 1400

Silica/Alumina ratio: 21.5:1

Equivalent Molecular Weight:  355.500

Molecular Formula of Pemco Frit Pb-742:

	Na2O  0.210	Al2O3  0.121	SiO2  2.589
	CaO   0.289	B2O3   0.670	
	PbO   0.501		

     Percentage Analysis

	 43.76 % 	SiO2 
	  3.46 % 	Al2O3
	  3.66 % 	Na2O 
	  4.57 % 	CaO  
	 31.47 % 	PbO  
	 13.09 % 	B2O3 
	_____________________
	100 % 		TOTAL

Comments: 6.5 x 10-6 coefficient of thermal expansion (50-450° C) I.F.P.
  °C =  Melting Range °F = 1350-1450

Potential Health Hazards:

contains Lead-avoid ingestion. NOT FOR USE WITH WARE INTENDED FOR FOOD.