There are three requirements for producing good quality milled rice: Good quality paddy The starting quality of the paddy is should be good and paddy should be at the right moisture content (14%) and have a high purity. Characteristics of a good quality paddy uniformly mature kernels uniform size and shape free of fissures free of empty or half filled grains free of contaminants such as stones and weed seeds Specification of IR64 White Rice Long Grain 25% Broken Brokens on 2/3 rd basis : 5% Max Moisture : 14% Max Damaged / Discoloured /Yellow Grains 2% Max Yellow Grains : 1% Max Red /Red Streaks : .5% Max Foreign Matter including Paddy : 0.25% Max Chalky Grains ½ ( Half ) Basis ) : 6 % Max Natural Admixture of Rice : 5% Max Average length of Rice : 6.00 MM Milling Degree : Well Milled Quality : Non Sortex Packaging : 25 / 50 kg PP bag.