Method of making a product from an expanded mineral
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United States of America Patent
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N/A
Issued Date -
Dec 19, 2002
app pub date -
Jun 19, 2002
filing date -
Jan 13, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of making a finished product such as a building board includes the steps of forming a mixture of an expanded mineral such as exfoliated vermiculite and a thermosetting resin, pressing the mixture at a temperature in the range of from 100 to 220.degree. C. inclusive to form a green product with a density in the range of from 200 to 650 kg/m.sup.3 inclusive, firing the green product in a kiln to its transition temperature to burn off substantially all of the organic constituents of the green product and thereby establish inorganic induced coherence to form the finished product, and allowing the finished product to cool.
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