Polytetrafluoroethylene CAS No: 9002-84-0 Identified use: Polymer Laboratory chemicals, manufacture of substances For industrial use only. Composition: 100% Polytetrafluoroethylene It is in the form of a white powder.

G.I.R. 1 & 6 Notes to Chapter 39 HSEN to heading 3904 CNEN to subheading 3904 61 00 Text to codes 3904, 3904 61 & 3904 61 00 90