Electrically conductive building material
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United States of America Patent
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Jun 1, 1999
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N/A
app pub date -
Feb 25, 1997
filing date -
Jun 24, 1994
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Abstract
An electrically conductive material used for shielding against electromagnetic waves and comprising a binder, a mixture of graphite and amorphous carbon, and sand. It has been shown that this mixture has enhanced shielding properties, particularly in the 100 MHZ range. The graphite/carbon mixture preferably makes up 25-75% of the total weight of the material. The binder may be cementitious. Said material may also be used in conductive floors, electrical heating equipment, light conductors, heating elements, ground connections, resistors, capacitors and antennas.
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