ANIMAL, VEGETABLE OR MICROBIAL FATS AND OILS AND THEIR FRACTIONS, BOILED, OXIDISED, DEHYDRATED, SULPHURISED, BLOWN, POLYMERISED BY HEAT IN VACUUM OR IN INERT GAS OR OTHERWISE CHEMICALLY MODIFIED, EXCLUDING THOSE OF HEADING 1516; INEDIBLE MIXTURES OR PREPARATIONS OF ANIMAL, VEGETABLE OR MICROBIAL FATS OR OILS OR OF FRACTIONS OF DIFFERENT FATS OR OILS OF THIS CHAPTER, NOT ELSEWHERE SPECIFIED OR INCLUDED