Explanatory notes
… 3404.90 - Other This heading covers artificial waxes (sometimes known in industry as “synthetic waxes”) and … They are used in flame-proofing, as insulators, capacitor impregnators, lubricants, wood preservatives, etc. (4) … compounds ( Chapter 29 ). (d) “Dental wax” and “dental impression compounds”, put up in sets, in packings for …