EXAMPLE XI Aluminum powder was wet-milled with TEE powder and hydrocarbon solvent in a ball mill 3 feet in diameter and 1 foot long, to produce aluminum flake pigment. In each run, 11 /4 lb. aluminum powder with 4% gal. hydrocarbon solvent were charged to the mill together with the TFE powder and milled 5 hours, washed out, screened through a
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