"Ultrafine, food grade sodium chloride is produced by micropulverizing vacuum granulated salt. Salt particles are jagged fragments of cubes, exhibiting an extremely high specific surface area and low bulk density. Ultrafine ( 
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"Top Flake Salt is food grade sodium chloride produced by compacting vacuum salt crystals into flat, smooth-surfaced, rectangular aggregates. There are four screened grades: Extra Coarse, Coarse, Topping and Fine. These grades are similar in physical form 
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