White Rice 100% Grade B shall have Grain Classification, Grain Composition and Milling Degree as follow: Grain Classification:Â Long Grain Class 1 not less than 40.0%, the rest shall be Long Grain Class 2 or Class 3. Of all, there may be Short Grain not exceeding 5.0%. Grain Composition:Â Whole Kernels not less than 60.0%. Broken having the length as from 5.0 parts onward but not reaching 8.0 part not exceeding 4.5%. Of this, there may be brokens having the length not reaching 5.0 parts and not passing through sieve No. 7 not exceeding 0.5%, and shall white brokens C1 not exceeding 0.1%. The rest shall be Head Rice having the length as from 8.0 parts onward. Milling Degree:Â Extra Well Milled