ISSN 0862-5468 (Print), ISSN 1804-5847 (online) 

Ceramics-Silikáty 43, (2) 78 - 80 (1999)


A NOVEL METHOD TO STUDY MELTING OF FRITS AND GLAZES
 
Majling Ján 1, Svetík Štefan 1, Kremničan Vladimír 2, CHocholoušek Jozef 1
 
1 Department of Ceramics, Class and Cement, Faculty of Chemical Technology, Slovak University of Technology, Radlinského 9, 812 37 Bratislava, Slovak Republic
2 Data System Laboratory, s.r.o., Budovatelská 15, 821 08 Bratislava, Slovak Republic
2 Technical Glass, a. s., Agátová 22, 844 03 Bratislava, Slovak Republic

A method providing measurement of melting temperature of glaze powder particles is described. The principle of the method is a direct measurement of the light transmittance through a layer of frit powder at a constant heating rate. Examples are given to measure melting temperatures of a commercially produced frit and sodium chloride and sodium phosphate (NaPO₃) chemicals, respectively. Specific features of the present measurement method are discussed with respect to the other similar methods.


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