Alkali-resistant glass fibres
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United States of America Patent
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May 18, 1982
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N/A
app pub date -
Mar 17, 1980
filing date -
Mar 15, 1979
priority date (Note) -
Expired
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Abstract
Alkali-resistant glass fibres, in the form of continuous-filament for use as reinforcement in cementitious products, or in the form of glass wool, are given enhanced alkali resistance by the incorporation of ThO.sub.2. The fibres are formed from a glass composition comprising, in weight percentages:
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