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P. 529
PYROXYLIN (CELLULOSE NITRATE) PLASTICS
6504.2 Fire protection. The manufacture or storage of arti-
cles of cellulose nitrate (pyroxylin) plastic in quantities
exceeding 100 pounds (45 kg) shall be located in a building
or portion thereof equipped throughout with an approved
automatic sprinkler system in accordance with Section
903.3.1.1.
6504.3 Sources of ignition. Sources of ignition shall not be
located in rooms in which cellulose nitrate (pyroxylin) plastic
in excess of 25 pounds (11 kg) is handled or stored.
6504.4 Heating. Rooms in which cellulose nitrate (pyrox-
ylin) plastic is handled or stored shall be heated by low-pres-
sure steam or hot water radiators.
496 2018 INTERNATIONAL FIRE CODE ®
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