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Page Title:
Appendix A Materials Subject to Spontaneous Heating cont'd |
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|  MATERIALS SUBJECT TO
SPONTANEOUS HEATING
DOE-HDBK-1081-94
Spontaneous Heating and Pyrophoricity
Tendency of
Usual shipping
spontaneous
container or
Precautions against
Name
heating
storage method
spontaneous heating
Remarks
Powdered milk
Very slight
Wooden and fiber
Avoid conditions that promote
Possible heating by decay or
boxes, metal cans
bacterial growth; inhibit against
decay; keep cool.
Rags
Variable
Bales
Avoid contamination with drying
Tendency depends on previous use
oils; avoid charring; keep cool
of rags. Partially burned or charred
and dry.
rags are dangerous.
Red oil
Moderate
Glass bottles, wooden
Avoid contact of leakage from
Impregnated porous or fibrous
barrels
containers with rags, cotton, or
materials are extremely dangerous.
other fibrous combustible
Tendency varies with origin of oil.
materials.
Roofing felts and
Moderate
Rolls, bales, crates
Avoid overdrying the material;
Felts, etc., should have controlled
papers
supply ventilation.
moisture content. Packaging or
rolling uncooled felts is dangerous.
Sawdust
Possible
Bulk
Avoid contact with drying oils;
Partially burned or charred sawdust
avoid hot, humid storage.
may be dangerous.
Scrap film (nitrate)
Very slight
Drums and lined
Film must be properly stabilized
Nitrocellulose film ignites at low
boxes
against decomposition.
temperature. External ignition more
likely than spontaneous heating.
Avoid exposure to sparks, etc.
Scrap leather
Very slight
Bales, bulk
Avoid contamination with drying
Oil-treated leather scraps may heat.
oils.
Scrap rubber or
Moderate
Bulk, drums
Buffings of high rubber content
Sheets, slabs, etc., are comparatively
buffings
should be shipped and stored in
safe unless loaded or stored before
tight containers.
cooling thoroughly.
Sisal
Very slight
Bulk bales
Keep cool and dry.
Partially burned or charred material
is particularly liable to ignite
spontaneously.
Soybean oil
Moderate
Tin cans, barrels,
Avoid contact with rags, cotton,
Impregnated fibrous materials may
tank cars
or fibrous materials.
heat unless well ventilated.
Sperm oil--see
whale oil
Tankage
Variable
Bulk
Avoid extremes of moisture
Very dry or moist tankages often
contents; avoid loading or storing
heat. Tendency more pronounced if
while hot.
loaded or stored before cooling.
Tung nut meals
High
Paper bags, bulk
Material must be very carefully
These meals contain residual oil
processed and cooled thoroughly
which has high tendency to heat.
before storage.
Material also susceptible to heating
if over-dried.
Pyrophoricity
Page A-8
Rev. 0
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