Explanatory notes
β¦ acids may be replaced by rosin acids. The heading covers only soap soluble in water, that is to say true soap. Soaps β¦ product has been added. The heading covers abrasive soaps only in the form of bars, cakes or moulded pieces or β¦ Rosin, tall oil or naphthenate soaps containing not only alkaline salts of fatty acids, but also alkaline β¦