… fractions which have been subjected to processes which modify their chemical structure thereby improving their … when exposed to the air and forming elastic films) or modifying their other properties, provided they retain their …
… adhesion barriers, whether or not absorbable 3006.30 - Opacifying preparations for X-ray examinations; diagnostic … dental adhesion barriers, whether or not absorbable . (5) Opacifying preparations for X-ray examinations and … which have been mixed together for such uses . The opacifying preparations are used in X-ray examination of …
… rubber. It is used for waterproof coatings and for modifying other plastics. Polyisobutylene, slightly … included in this heading. It is a viscous liquid used to modify the properties of lubricating oils. The heading, …
… does not cover : (a) Assemblies of synthetic filaments satisfying conditions (A), (B) and (C) above of a total … 1 mm or Chapter 39 otherwise). (c) Synthetic filament tow satisfying conditions (B) and (C) above, but of a length not …
