PRODUCTION OF ROUGH GLASS STONE FOR ARTISTIC HANDICRAFT

PURPOSE:To improve luster by adding ZnO as a colorant to starting material contg. SiO2, Na2CO3 and CaF2 in a specified weight ratio and having a prescribed total FeO and MnO content or below, melting and solidifying them. CONSTITUTION:Starting materials blended so as to obtain a compsn. contg. 35-60...

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Bibliographische Detailangaben
Hauptverfasser:	NAGANO KYOICHI, NOGUCHI KOZO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	PURPOSE:To improve luster by adding ZnO as a colorant to starting material contg. SiO2, Na2CO3 and CaF2 in a specified weight ratio and having a prescribed total FeO and MnO content or below, melting and solidifying them. CONSTITUTION:Starting materials blended so as to obtain a compsn. contg. 35-60wt.% SiO2, 5-20wt.% Na2CO3 and 3-20wt.% CaF2 and having