High iron glass composition
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United States of America Patent
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Aug 16, 1988
Grant Date -
N/A
app pub date -
Aug 5, 1985
filing date -
Aug 5, 1985
priority date (Note) -
Expired
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Abstract
An improved glass composition, especially suitable for glass fiber manufacture having good fiberizing characteristics and good physical properties, and containing typically 40.0% to 65.0% silica, 4.0% to 11.0% aluminum oxide, 6.0% to 20.0% sodium oxide, 5.0% to 8.0% magnesium oxide and 6.0% to 17.0% calcium oxide, 4.0% to 12.0% ferric and ferrous oxide, and 0.0% to 7.0% potassium oxide.
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