TM 5-818-4/AFM 88-5, Chap. 5
weights from 25 to 500 grams. Drying times are esti-
a commercially available apparatus containing an elec-
mated to vary from 5 minutes for sand to as long as 30
tric heater and blower. Hot air at 150 to 300 degrees
minutes for fat clay. The rapid moisture test and limi-
Fahrenheit is blown over and around the sample for a
preset time. A 110- or 230-volt source is required.
tations are described in STP 479.
Available sizes of apparatus can accommodate sample
B-13
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