Casting composition
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United States of America Patent
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May 19, 1998
Grant Date -
N/A
app pub date -
May 19, 1997
filing date -
Jan 10, 1995
priority date (Note) -
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Abstract
In a casting composition comprising a curable syrup which contains a liquid monomer and polymer components optionally dissolved therein, and an inorganic filler which includes a quartz sand product, in order to simplify the production of white molded articles, it is proposed that a product, the individual grain of which consists in the core essentially of quartz and at the surface essentially of .alpha.-cristobalite (low-temperature modification) be selected as quartz sand product.
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