Bulk Density is the key parameter to fill the Fried Snack into pouch packing. The unit of B/D is grams/litre, it gives you idea about how many grams of fried snack can fill into a 1 litre volume. Suggested dimensions for Testing Cylindrical Jar: "Diameter = Height" B/D depends on many elements such as: Raw Materials, Degree of Gelatinization, Drying Process and Moisture. A Papad (Snack Pellets) giving a low B/D of Fried Snack is convenient because you need a lower quantity of Fried Snack to fill in the bag.