Fire-resistant article and method of manufacture
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United States of America Patent
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-
Sep 22, 1987
Grant Date -
N/A
app pub date -
Nov 25, 1986
filing date -
Nov 25, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fire-resistant article, for example, a fire door core comprising a major amount of expanded perlite in compressed form, an adhesive material, the major portion of which is starch, and preferably glass fibers, and a method for making the article by dry-mixing the ingredients substantially completely before water is added for the purpose of developing the adhesive characteristics of the starch.
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Cited Art Landscape
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