FIELD: manufacturing of glass ceramic articles. SUBSTANCE: ceramic mass comprises, mas. %: quartz sand or quartzite, 45.5-81; orthophosphoric acid, 0.4-5; sodium polyphosphate, 0.05-5; superpeptizing agent, 0.11-0.45; glass, 12.5-49. Glass transition point of said glass is not more 575 C. EFFECT: improved quality. 2 tbl
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Authors
Dates
1997-06-10—Published
1994-01-26—Filed