Explanatory notes
… air (known as “Japan lacquer”, “Chinese lacquer”, etc.), is excluded ( heading 13.02 ). (II) Natural gums, resins, … (A) True gums are odourless, tasteless and more or less soluble in water, forming sticky substances. They burn without melting and without odour. (B) Resins are insoluble in water, have a slight odour, are poor conductors …