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公开(公告)号:US4050947A
公开(公告)日:1977-09-27
申请号:US667494
申请日:1976-03-17
摘要: This invention relates to the use of AlF.sub.3 as an opacifying agent in an opal glass making batch which contains 40 wt. percent or more of container and sheet glass cullett. The batch consists essentially, in weight percent, of 40-85% cullett, 0-25% Na.sub.2 B.sub.4 O.sub.7.5H.sub.2 O, 0-12% CaMg(CO.sub.3).sub.2, 3-19% SiO.sub.2, and an amount of Alf.sub.3, which is 10-30% of the weight of the cullett.
摘要翻译: 本发明涉及在蛋白石玻璃制作批中使用AlF3作为遮光剂,其含有40重量% 百分之以上的容器和平板玻璃花。 该批料基本上以重量百分比计,40-85%的高丝,0-25%的Na2B4O7.5H2O,0-12%的CaMg(CO3)2,3-19%的SiO2和一定量的Alf3, 玉米重量的30%。