HEAT-EXPANDING FIRE RETARDANT
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United States of America Patent
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Sep 1, 2022
app pub date -
Jun 5, 2020
filing date -
Aug 26, 2019
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Abstract
The present invention relates to a thermally expandable fire resistant material comprising at least one matrix resin selected from the group consisting of a thermoplastic resin and a rubber and a thermally expandable graphite, having an expansion pressure of 3.0 N/cm2 or more. According to the present invention, a fire resistant material capable of exhibiting excellent fire resistance can be provided.
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