Process for making non-dusting high lead oxide-low silica additive
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United States of America Patent
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Jul 26, 1983
Issued Date -
N/A
app pub date -
Mar 19, 1982
filing date -
Mar 9, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lead additive containing a lead oxide and an alkaline silicate which is resistant to dusting, abrasion and segregation. The weight ratio of lead to alkaline silicate, calculated as PbO and SiO.sub.2, respectively, is greater than about 95:5; the moisture content is less than or equal to about 2%; and the density is less than about 5 g/cm.sup.3. The process for producing these additives involve forming a paste of the lead oxide and alkaline silicate, conditioning the paste to form granules and heat treating the granules.
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